Which to use
“opt” is a verb and “optic” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,325
- “opt” frequency rank
- #12,117
- “optic” frequency rank
- 20442
- confusion score
Side-by-Side Comparison
| Feature | opt | optic |
|---|---|---|
| Definition | To choose; select. | Of, or relating to the eye or to vision. |
Where the eye mixes opt and optic
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: opt vs optic
These two trip readers on the page rather than in the ear: opt is /ɒpt/ while optic is /ˈɒp.tɪk/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “opt” sits inside “optic”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 20442, derived from the frequency rank of both members and their visual similarity.
opt is recorded at frequency rank #8,325, classified as averb, pronounced /ɒpt/. optic is at rank #12,117, tagged as anadj, pronounced /ˈɒp.tɪk/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 20442, this pair ranks #431,065 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of opt vs optic
Shared letters: opt. Private to "opt": -. Private to "optic": ci.
"opt" · 3 letters · shape VCC · "optic" · 5 letters · shape VCCVC
Known mistypes of this pair
- optic ← opitc · opptic · optci · opticc · opttic · potic
Frequently Asked Questions
Is swapping "opt" for "optic" ever safe?
In ordinary English text, does "opt" or "optic" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "opt" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "optic" - compare definitions side by side with the headword page. Word entry
- This pair ranks #431,065 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "opt" and "optic" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs opt". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #431,065 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.