-OP Word Family for Kids
The -OP word family includes words that end with the /op/ rime, such as hop, mop, pop, top, and stop. -OP words use the short O vowel sound and help children decode through analogy. LUCA's SoundScout confirms accurate /op/ rime production and targets any short O confusion through Assessment Intelligence gap detection.
15 words · Word Families · Last updated: April 2026
-OP Family Word List
15 words- chop
- clop
- cop
- crop
- drop
- flop
- glop
- hop
- mop
- plop
- pop
- prop
- shop
- stop
- top
These -op family words follow the Science of Reading phonics sequence. Powered by LUCADictionary's 763,000+ grapheme-phoneme mappings, built on U.S. Patent No. 12,394,332 B2 and supported by National Science Foundation SBIR funding.
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-OP Family Words in Sentences
Reading words in context builds comprehension and fluency. Each sentence below uses only decodable words appropriate for this phonics level.
Download -OP Family Word List + Sentences
Print-ready LUCA branded resource with all 15 words and practice sentences.
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How to Read -OP Family Words
Sound it out.
Point to each letter and say its sound separately. Then blend the sounds together smoothly without pausing between them. Slide the sounds together until the word emerges naturally.
Use it in a sentence.
Practice 5 to 10 words per session. Have your child read each word aloud, then say a sentence using that word. This builds decoding accuracy and vocabulary together.
Read it in a story.
When your child reads the word list fluently, move to connected text. Decodable stories from StoryGen feature -op family words in context, bridging word reading and real fluency.
Grade Level and Sequence
-OP Family words are part of word families in the Science of Reading phonics sequence.
Prerequisite skills: Letter recognition, phonemic awareness (hearing individual sounds in spoken words).
What comes next: After mastering this pattern, children progress to related patterns, then advance to the next category. LUCA's Pathfinder sequences this automatically.
Grounded in Reading Science
These word lists follow the phonics scope and sequence recommended by the National Reading Panel. Systematic, explicit phonics instruction produces the strongest reading gains across all demographics and learning profiles.
LUCA's approach builds on orthographic mapping research by Ehri (2014), demonstrating that readers store words by connecting spellings to pronunciations at the phoneme level. This is exactly what SoundScout measures.
How LUCA Turns This Word List Into Real Progress
Every read-aloud session runs through the LUCALabs three-phase cycle so gaps for -op family words are caught and closed.
Listens
Captures every phoneme your child produces, including -op family patterns.
Analyzes
Identifies exact gaps without a separate test. Patterns across 763,000+ mappings reveal each reader's needs.
Builds
Generates stories with -op family words matched to your child's interests.
Proven Classroom Results
From LUCA's classroom evidence · Live results dashboard
Who Uses -OP Family Word Lists?
Parents and Families
Practice -op family words at home with your child. No teaching expertise needed. LUCA handles the diagnostic instruction while you provide the encouragement and support.
Educators and Specialists
Use these word lists for small group instruction, MTSS intervention blocks, or independent practice stations at school. Assessment data and progress reports generate automatically with each session.
Homeschool Families
-OP Family words fit directly into your phonics scope and sequence at home. LUCA delivers the reading instruction and tracks progress so you can guide your child rather than teach phonics yourself.
Related Letter Word Lists
Browse words by the letters that appear most often in -op family words.
More Word Families Word Lists
Continue building word families skills with these related patterns.
-AP Family Words
The -AP word family includes words that end with the /ap/ rime, such as cap, map, tap, nap, and gap. Like other short A families, -AP words are fully decodable CVC words ideal for early reading practice. LUCA's SoundScout listens for accurate rime production and builds practice through StoryGen's personalized decodable stories.
View -ap family word list-OT Family Words
The -OT word family includes words that end with the /ot/ rime, such as dot, got, hot, lot, and not. -OT words reinforce short O vowel recognition and build decoding automaticity through rime-based pattern matching. LUCA's SoundScout detects whether children transfer the -OT rime accurately to words with initial blends like 'spot' and 'shot.'
View -ot family word listFrequently Asked Questions
The -OP word family groups words that share the rime -OP, such as 'hop,' 'stop,' and 'drop.' The -OP rime appears in many action words that children find engaging and in compound words that extend vocabulary across grade levels.
When children recognize the -OP rime automatically, they read words like 'stop,' 'shop,' and 'drop' as whole units rather than decoding each phoneme sequentially. This whole-unit recognition is a hallmark of fluent reading and develops through repeated exposure to word families in context.
Yes. Once children know the -OP rime, they can decode the second syllable of compound words like 'laptop,' 'rooftop,' and 'raindrop.' This connection between simple word families and compound words is a natural bridge to multisyllabic word reading instruction.
Is your child struggling with reading? One in five children has dyslexia, and 80% are undiagnosed. Learn how LUCA supports dyslexia, or compare LUCA to other reading programs.
Your child can master -op family words.
LUCA listens at the phoneme level so every decoding error is caught in real time, not discovered weeks later on a test.
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Practice Reading with LUCA
LUCA is The Intelligent Reading Specialist: we listen at the phoneme level and build personalized stories aligned with the Science of Reading. Use these word lists for exposure, then move into guided practice on the Playground.
- Science of Reading alignment at LUCA
- Dyslexia support with structured literacy
- Phoneme-level listening with SoundScout
- Evidence and pilot outcomes
- Reading intervention for educators
- Compare LUCA to other programs
- LUCA vs Lexia Core5
- LUCA vs Amira Learning
- LUCA for families at home
- Try guided read-aloud practice on the LUCA Playground
- Browse all Kids Words categories
- Reading Rockets: targeting reading instruction to student needs (external)