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6-Letter Words That Start with O for Kids - List of Essential Vocabulary Words

Written by
Scott Sosso

A Thorough Catalog of 6-Letter Words Starting With "O" to Boost Kids' Spelling & Reading Abilities

Our age-specific word lists are derived from a study on the learning age of over 30,000 English words, ensuring educational relevance. We vet words for kid-friendliness using advanced tools and prioritize vocabulary based on usage frequency, informed by extensive research, to benefit children's learning.

LUCA's list of 6-letter words that start with "O" is crafted to enrich your child's vocabulary. Consider this comprehensive tool as a reliable companion for parents and educators aiming to offer additional language practice to youngsters. The collection spans a breadth of words tailored to address the learning needs of children ranging from prekindergarten right up through to grade 9. You'll find child-friendly terms such as "object" and "outfit" alongside more advanced options like "ornate" and "offset." This curated list is focused on improving vocabulary building practice and is especially useful for enhancing skills in both reading comprehension and spelling. Start nurturing an extensive vocabulary with 6-letter words that start with "O" today, and watch as your child's language abilities bloom.

6-Letter Words that Start with Letter


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6-Letter Words that Start with O for Pre-K 3 (3-Year-Olds)


Sentences with 6-Letter Words that Start with O for Pre-K 3 (3-Year-Olds)

Introduce your little one to the wonderful world of words with our fun and simple activity! Today, we're learning about 6-letter words that start with "O". These sentences are perfect for 3-year-olds, making learning easy and enjoyable. Let's start the adventure!

The orange is a round fruit that grows on trees.

I love to eat juicy orange slices for snack.

The color of a beautiful sunset can be orange.

6-Letter Words that Start with O for Kindergarten (6-Year-Olds)




Sentences with 6-Letter Words that Start with O for Kindergarten (6-Year-Olds)

Let's make learning fun for your 6-year-old! We've gathered sentences using 6-letter words that start with "O". Perfect for kindergarteners to get familiar with new words in a playful way. Join us in this exciting word discovery!

My mom works in a big office building and has her own desk.

The principal works in the school office and helps students with any questions or concerns.

The doctor has a special office where patients go for check-ups and medicine.

The kind-hearted community helped the orphan by donating clothes and toys.

Sarah is an orphan, which means she doesn't have parents and lives in a special home called an orphanage.

Sometimes, families adopt an orphan and give them a loving home and a new family.

Robin Hood was an outlaw who stole from the rich to help the poor.

Cowboys and cowgirls can chase outlaws in the Wild West.

Sheriff Woody always catches the outlaws and brings them to justice.

6-Letter Words that Start with O for 1st Grade (7-Year-Olds)



Sentences with 6-Letter Words that Start with O for 1st Grade (7-Year-Olds)

Make learning fun for your 7-year-old with sentences featuring 6-letter words that start with "O". These examples are perfect for first graders, helping them grow their vocabulary in an enjoyable way. Let's get started!

A pencil, a book, and a chair are all examples of objects we use at school.

The teacher asked us to bring an object that starts with the letter 'B' for show and tell.

I found a shiny object on the playground.

Lucas picked out his favorite superhero outfit for Halloween.

Sarah wore a colorful outfit with a matching dress and shoes.

Don't forget to choose a comfortable outfit for our field trip tomorrow.

6-Letter Words that Start with O for 2nd Grade (8-Year-Olds)







Sentences with 6-Letter Words that Start with O for 2nd Grade (8-Year-Olds)

Get your 8-year-old excited about expanding their vocabulary with our collection of sentences featuring 6-letter words that start with "O". These examples are crafted to be just right for second graders, making learning new words fun and easy. Let's get started!

The explorer's mission was to occupy the new territory and establish a settlement.

I occupy my time by reading books and drawing.

The students will occupy the classroom during their art project.

During the school trip, the students were excited to have the option to visit either the museum or the zoo.

Having options means you have different choices to pick from.

At the ice cream shop, you can choose between vanilla, chocolate, or strawberry - it's all about options!

An online news "outlet" is a website where you can read articles and watch videos about current events.

When you watch the news on a television "outlet," you can stay informed about what's happening in the world.

My favorite news "outlet" is the local newspaper because it provides information about our community.

The cheetah can outrun most animals in the wild due to its incredible speed.

During the race, Sarah managed to outrun her friends and reach the finish line first.

In the game, your goal is to outrun the obstacles and collect as many points as possible.

Plants need oxygen to survive and grow.

The air we inhale contains oxygen, which our bodies use to make energy.

We breathe in oxygen and breathe out carbon dioxide.

Did you know that oysters play a crucial role in filtering water in their habitats?

Oysters are small animals that live in shells on the ocean floor.

In the news, scientists are studying how oysters can help improve water quality in polluted areas.

6-Letter Words that Start with O for 3rd Grade (9-Year-Olds)



Sentences with 6-Letter Words that Start with O for 3rd Grade (9-Year-Olds)

Get your 9-year-old excited about expanding their vocabulary with our collection of sentences featuring 6-letter words that start with "O". These examples are perfectly crafted for third graders, making learning new words fun and easy. Let's jump into the adventure together!

Collecting stamps is a hobby that allows you to obtain different ones.

By working hard and studying, you can obtain good grades in school.

You can obtain a library card to borrow books.

I accidentally offended my friend by forgetting her birthday.

It's important to think before we speak, so we don't unintentionally offend someone.

Using rude words can offend people and hurt their feelings.

6-Letter Words that Start with O for 4th Grade (10-Year-Olds)





Sentences with 6-Letter Words that Start with O for 4th Grade (10-Year-Olds)

Enhance your 10-year-old's vocabulary with our engaging collection of sentences featuring 6-letter words that start with "O". Perfect for fourth graders, these examples are designed to be both educational and fun. Let's get started on expanding their word knowledge today!

The soccer field is shaped like an oblong, with longer sidelines than goal lines.

The cafeteria served oblong-shaped pizza slices for lunch today.

She found a unique oblong stone on the beach during her vacation.

The team had to go through a tough training session, and it was an ordeal for all of us.

I have faced many challenges, but my math test was a real ordeal!

After getting lost in the woods, we had to endure an ordeal until we were rescued.

In our history class, we learned about the origin of ancient civilizations.

Knowing the origin of a word can help you understand its meaning better.

The origin of pizza is believed to be Italy.

There was a loud outcry when the school announced no more recess.

The crowd erupted in an outcry when their team lost the game.

The controversial decision caused an outcry among the community.

6-Letter Words that Start with O for 5th Grade (11-Year-Olds)






Sentences with 6-Letter Words that Start with O for 5th Grade (11-Year-Olds)

Encourage your 11-year-old to expand their vocabulary with this collection of sentences featuring 6-letter words that start with "O". Tailored for fifth graders, these examples are perfect for enhancing both their reading and writing skills. Discover the fun in learning new words!

As a responsible citizen, it is important to oblige the laws of your country.

It is polite to oblige your friends by helping them when they need it.

You should always oblige your parents by doing your chores.

The time difference between New York and London is five hours, they are offset.

I adjusted the offset on my printer to make sure the document printed correctly.

The furniture in our classroom is offset from the walls to create more space.

The team captain tried to inspire the players by saying, "We need to oppose our opponents with all our strength!"

Some students in our class support having a longer recess, while others oppose the idea.

In the Harry Potter series, Professor Trelawney is known as the Divination oracle.

An oracle is a source of wisdom and knowledge, often providing predictions about the future.

The ancient Greeks would visit the oracle at Delphi to seek advice from the gods.

From the outset, it was clear that she was the best candidate for the job.

He apologized at the outset of the meeting for being late.

At the outset of the project, we discussed our goals and divided the work.

6-Letter Words that Start with O for 6th Grade (12-Year-Olds)


Sentences with 6-Letter Words that Start with O for 6th Grade (12-Year-Olds)

Get your 12-year-old excited about expanding their vocabulary! We're focusing on sentences with 6-letter words that start with "O". Tailored for sixth graders, these examples are perfect for enhancing their understanding and use of new words. Let's jump into the learning fun!

The occult refers to supernatural practices or beliefs, such as witchcraft or divination.

The students studied different religions and learned about occult practices.

In literature class, we analyzed a novel that explored the themes of the occult and mystery.

6-Letter Words that Start with O for 7th Grade (13-Year-Olds)




Sentences with 6-Letter Words that Start with O for 7th Grade (13-Year-Olds)

Challenge your 13-year-old with these intriguing sentences featuring 6-letter words that start with "O". This selection is crafted to match the linguistic and cognitive level of seventh graders, making learning both fun and educational. Discover how these words fit into everyday language!

The upcoming project deadline is in the offing, so we need to start working on it.

The sailor saw land in the offing and knew they were getting closer to shore.

The new movie that everyone is talking about is in the offing for release next year.

The meaning of the poem was opaque, and I had to read it several times to understand.

I couldn't see through the opaque glass window.

She used an opaque curtain to block the sunlight from her room.

Martin Luther King Jr. is remembered as a great civil rights orator.

In English class, we learned about famous orators throughout history, like Winston Churchill.

The charismatic orator captivated the audience with her powerful speech.

6-Letter Words that Start with O for 8th Grade (14-Year-Olds)


Sentences with 6-Letter Words that Start with O for 8th Grade (14-Year-Olds)

Engage your 14-year-old in enhancing their vocabulary with this collection of sentences featuring 6-letter words that start with "O". Tailored for eighth graders, these examples are perfect for making learning new words interesting and applicable in daily life. Let's get started on this language adventure!

The odor from the garbage can was so odious that we had to move it away.

His odious behavior towards his classmates made him very unpopular.

The protagonist in the story faced an odious villain who was cruel and hateful.

6-Letter Animal Words that Start with O








Sentences with Animals that Start with "O"

Discover the animal kingdom with a twist! Here, we focus on sentences that not only start with "O" but also describe animals beginning with the same letter. This unique approach brings a fun challenge to learning about our furry, scaly, and feathered friends. Let's jump into this intriguing exploration together!

In the rainforest, the ocelot preys on small mammals, birds, and reptiles for its meals.

The ocelot is a wild cat species with beautiful spotted fur found in the Americas.

With its fluffy tail and large eyes, the olingo is often mistaken for a type of cat.

Olingos play a vital role in their ecosystem by helping to disperse seeds as they move through the trees.

The olingo is a small mammal native to Central and South America, known for its agile climbing abilities.

Onagers are native to deserts and grasslands in Asia and are well-adapted to harsh environments.

The onager, a type of wild donkey, is known for its distinctive black and white stripes on its legs.

The osprey is known for its impressive wingspan, which can reach up to six feet.

The osprey is a large bird of prey that catches fish from the water with its sharp talons.

Many people enjoy observing ospreys in their natural habitats, such as near lakes or rivers.

With its long antennae and intricate wings, the owlfly is a fascinating creature to study in the wild.

The owlfly uses its camouflage to blend into its surroundings and avoid predators.

Owlfly is an insect that resembles a cross between an owl and a dragonfly.

The oyster is a type of shellfish that can make pearls inside its shell.

An oyster festival in the town attracted visitors from all over to try different oyster dishes.

Scientists found a rare oyster in the ocean that is over 100 years old.

6-Letter Math Words that Start with O






Sentences with Math Words that Start with "O"

Explore the fascinating world of math with our collection of sentences featuring math words that start with "O". These examples are a great way to expand your mathematical vocabulary and understanding, whether you're a student, educator, or just curious about math. Let's get started!

When playing a game, each player chooses an object to represent them on the board.

The reporter showed an object found at the beach, sparking curiosity among the viewers.

In math, we can count objects like apples or books to learn about numbers.

An obtuse angle measures more than 90 degrees but less than 180 degrees in geometry.

Identifying obtuse angles helps us classify triangles based on their angles.

In a triangle, an obtuse angle is the one that is greater than 90 degrees.

The news story traced the origin of the new park to a community initiative that began five years ago.

When looking at a graph, you can find the origin in the center, where the horizontal and vertical lines cross.

In math, the point where the x-axis and y-axis meet is called the origin, and it's where coordinates start.

In cooking, a recipe might call for two ounces of chocolate to make a delicious dessert.

The news reported that the new smartphone weighs only a few ounces, making it easy to carry.

A pound is equivalent to 16 ounces, which is a common unit of weight used in many countries.

In the news, the latest economic report showed a positive output, indicating growth in the market.

When using a computer, the screen displays the output of a program, showing the results of the executed code.

The output of the math problem was the correct answer, which the student proudly shared with the class.

6-Letter History Words that Start with O



Sentences with History Words that Start with "O"

Step back in time and enrich your vocabulary with our collection of history words that start with "O"! Through these example sentences, you'll journey through pivotal moments and meet influential figures. Let's uncover the past together through these fascinating words.

Many civilizations, like the Greeks, visited the oracle to seek guidance before making important decisions.

In ancient history, an oracle was a person or a place considered to provide wise and insightful predictions or advice.

The news article compared the technology expert to an oracle, predicting the future of computers with remarkable accuracy.

In ancient times, priests were often ordained by a religious ceremony to serve their communities.

To ordain a law means to officially establish it as a rule that must be followed.

The king would ordain his most loyal knights as members of the royal council.

Exploring 6-Letter Words Starting with "O" for Kids

Alphabetical Order Sorting

Engage children in a fun activity where they arrange "O" words alphabetically, like "oblong", "object", and "obtain". This exercise enhances vocabulary and reinforces alphabetical order skills. To make it more challenging, time each round and see if they can beat their own records!

Story Creation

Encourage young learners to craft imaginative stories using words such as "opaque", "outlaw", and "origin". This activity stimulates creativity and language skills. Encourage them to include as many words as possible in their stories for an added challenge!

Action Verbs Adventure

Explore action verbs that start with "O" like "oppose", "occupy", and "offend". Have kids act out these verbs or create sentences using them to grasp their meanings effectively. This interactive approach promotes kinesthetic learning and verb comprehension.

Acrostic Poems

Inspire children to compose acrostic poems using words like "orange", "obtain", and "outfit". Each line should begin with a letter from the word, fostering poetic expression and vocabulary enrichment. Encourage them to share their poems aloud for a confidence boost!

Adjective Hunt

Embark on an exciting adjective hunt with words such as "odious", "obtuse", and "olingo". Encourage kids to describe objects or characters using these adjectives. This activity enhances descriptive language skills and encourages creative thinking.


Scott Sosso is a serial entrepreneur recognized as one of the top in his industry from a young age. Before the age of 30, he used his entrepreneurial skills to grow a real estate startup to a billion in sales in just three years. Later, he took that entrepreneurial spirit to the healthcare industry, and through various senior leadership roles, he was a key team member who led a healthcare company to 6X gross revenues. While none of these journeys were easy, the process of scaling businesses and navigating complex market dynamics has been a testament to Scott's resilience and business acumen.

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