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

Pigs say 'oink' when they are happy and content."

The little piglet let out a loud 'oink' as it played in the mud."

Children love to imitate animal sounds, like 'oink oink' for pigs."

It's okay if you spill your juice. We can clean it up together.

If you feel sad, it's okay to ask for a hug.

Okay, let's count to three and then jump!

The baby touched the hot pan and exclaimed, "Ouch!" in pain.

Ouch!" cried the little girl as she accidentally bumped her knee on the table.

When the kitten stepped on a sharp toy, it meowed, "Ouch!" in surprise.

We brush our teeth twice a day, once in the morning and once at night.

Once upon a time, there was a princess who lived in a castle.

Once you finish your snack, we can go outside and play.

You can play with your toys, but only after cleaning up.

Remember, only use your inside voice when we're inside the classroom.

Only one cookie left for each of you, so share it nicely.

The sandbox is our special spot, it's where we have so much fun together.

These toys are ours, we can all play with them.

This book belongs to us, it's ours to read.

When your parents tell you to clean your room, you should obey them.

It is important to obey the rules and take turns.

Please obey the teacher's instructions and listen carefully.

3. Let's open the box and see what surprise is inside!

1. The teacher asked the students to open their books to the first page.

2. We can go to the park and play on the open playground.

We draw an oval shape to make a face for our art project.

My plate at lunch is in the shape of an oval.

The shape of the balloon is oval, like an egg.

Mommy cooks yummy pizza in the oven for dinner.

Be careful, the oven is hot and we shouldn't touch it.

We use an oven to bake cookies for snack time.

We played with the toy cars and made them drive over the ramps.

The teacher asked the children to jump over the colored cones.

After we eat lunch, we have recess and run all over the playground.

I can smell a sweet odor coming from the bakery.

I knew it was my dog who caused the bad odor in the room.

Flowers have a pleasant odor that makes the garden smell wonderful.

Farmers use oats to feed their horses and other animals on the farm.

Some cookies are made with oats instead of wheat flour.

Eating a bowl of warm oats for breakfast is a healthy way to start the day.

My face looks shiny because I put oily sunscreen on.

The pizza had a lot of oily cheese on top.

We used an oily cloth to clean up the spilled paint.

Be cautious near the swamp, as the muddy water can ooze out between your toes.

Careful! The green goo began to ooze out of the bottle.

The slime monster's slimy tentacles oozed through the dark cave.

In a race, the odd-numbered lanes are on one side of the track, while the even-numbered lanes are on the other side.

I like to play games of chance, like flipping a coin and guessing odds.

The odds of winning the lottery are very low, so it's not a reliable way to make money.

Please omit any personal information when sharing your story with the class.

In your essay, don't forget to omit any repetitive ideas.

To make your paragraph shorter, you can omit any unnecessary details.

Before becoming a citizen, you must take an oath to uphold the laws of the country.

When you join a club, you may have to recite an oath promising to follow the club's rules.

Police officers take an oath to protect and serve the community.

As she saw a black cat cross her path, she felt it was a bad omen.

The dark storm clouds in the distance were seen as an omen of the coming rain.

The fortune teller's prediction of finding a four-leaf clover was seen as a lucky omen.

Opah are warm-blooded fish, allowing them to regulate their body temperature in cold ocean depths.

Despite their large size, opah are agile swimmers, using their pectoral fins to navigate the ocean currents.

The opah, also known as a moonfish, is a unique deep-sea fish with beautiful iridescent scales.