Which to use
“fills” is a verb and “fines” is a noun - they look or sound alike but fill different roles in a sentence.
- #11,032
- “fills” frequency rank
- #9,894
- “fines” frequency rank
- 20926
- confusion score
Side-by-Side Comparison
| Feature | fills | fines |
|---|---|---|
| Definition | third-person singular simple present indicative of fill | plural of fine |
Where the eye mixes fills and fines
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses fills with fines
These two trip readers on the page rather than in the ear: fills is /fɪlz/ while fines is /faɪnz/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20926, derived from the frequency rank of both members and their visual similarity.
fills is recorded at frequency rank #11,032, classified as averb, pronounced /fɪlz/. fines is at rank #9,894, tagged as anoun, pronounced /faɪnz/.
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 20926, this pair ranks #427,663 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fills vs fines
Shared letters: fis. Private to "fills": l. Private to "fines": en.
"fills" · 5 letters · shape CVCCC · "fines" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "fills" for "fines" ever safe?
In ordinary English text, does "fills" or "fines" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fills" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fines" - compare definitions side by side with the headword page. Word entry
- This pair ranks #427,663 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fills" and "fines" also get mixed up with nearby pairs, the highest-scored neighbour is "Fells vs fills". 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 #427,663 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.