Which to use
“confine” is a verb and “confines” is a noun - they look or sound alike but fill different roles in a sentence.
- #31,931
- “confine” frequency rank
- #21,167
- “confines” frequency rank
- 53098
- confusion score
Side-by-Side Comparison
| Feature | confine | confines |
|---|---|---|
| Definition | To have a common boundary with; to border on. | The borders or limits of an area. |
Where the eye mixes confine and confines
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. confine runs 7 letters (CVCCVCV) against confines's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between confine and confines
These two trip readers on the page rather than in the ear: confine is /kənˈfaɪn/ while confines is /ˈkɑnfaɪnz/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “confine” sits inside “confines”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 53098, derived from the frequency rank of both members and their visual similarity.
confine is recorded at frequency rank #31,931, classified as averb, pronounced /kənˈfaɪn/. confines is at rank #21,167, tagged as anoun, pronounced /ˈkɑnfaɪnz/.
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 53098, this pair ranks #151,694 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of confine vs confines
Shared letters: cefino. Private to "confine": -. Private to "confines": s.
"confine" · 7 letters · shape CVCCVCV · "confines" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "confine" and "confines" be used interchangeably?
In ordinary English text, does "confine" or "confines" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "confine" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "confines" - compare definitions side by side with the headword page. Word entry
- This pair ranks #151,694 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "confine" and "confines" also get mixed up with nearby pairs, the highest-scored neighbour is "codeine vs confine". 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 #151,694 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.