Which to use
“fil” is a noun and “fish” is an adjective - they look or sound alike but fill different roles in a sentence.
- #35,592
- “fil” frequency rank
- #18,872
- “fish” frequency rank
- 54464
- confusion score
Side-by-Side Comparison
| Feature | fil | fish |
|---|---|---|
| Definition | fio | de peixe, relacionado a peixe: |
Where the eye mixes fil and fish
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses fil with fish
These two trip readers on the page rather than in the ear: fil is /fil/ while fish is /ˈfɪʃ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 54464, derived from the frequency rank of both members and their visual similarity.
fil is recorded at frequency rank #35,592, classified as anoun, pronounced /fil/. fish is at rank #18,872, tagged as anadj, pronounced /ˈfɪʃ/.
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 54464, this pair ranks #11,238 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of fil vs fish
Shared letters: fi. Private to "fil": l. Private to "fish": hs.
"fil" · 3 letters · shape CVC · "fish" · 4 letters · shape CVCC
Known mistypes of this pair
- fish ← ffish · fihs · fishh · fissh · fsih · ifsh
Frequently Asked Questions
Can "fil" and "fish" be used interchangeably?
In ordinary Portuguese text, does "fil" or "fish" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "fil" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fish" - compare definitions side by side with the headword page. Word entry
- This pair ranks #11,238 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fil" and "fish" also get mixed up with nearby pairs, the highest-scored neighbour is "fil vs filão". 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 #11,238 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.