Which to use
“fis” is a verb and “FN” is a name - they look or sound alike but fill different roles in a sentence.
- #16,880
- “fis” frequency rank
- #1,814
- “FN” frequency rank
- 18694
- confusion score
Side-by-Side Comparison
| Feature | fis | FN |
|---|---|---|
| Definition | Première personne du singulier du passé simple de faire. | Front national (parti politique français). |
Where the eye mixes fis and FN
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: fis vs FN
These two trip readers on the page rather than in the ear: fis is \fi\ while FN is \ɛ.f‿ɛn\. 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 (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 18694, derived from the frequency rank of both members and their visual similarity.
fis is recorded at frequency rank #16,880, classified as averb, pronounced \fi\. FN is at rank #1,814, tagged as aname, pronounced \ɛ.f‿ɛn\.
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 18694, this pair ranks #377,028 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fis vs FN
Shared letters: f. Private to "fis": is. Private to "FN": n.
"fis" · 3 letters · shape CVC · "FN" · 2 letters · shape CC
Frequently Asked Questions
Can "fis" and "FN" be used interchangeably?
Which is more common, "fis" or "FN"?
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 "fis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "FN" - compare definitions side by side with the headword page. Word entry
- This pair ranks #377,028 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fis" and "FN" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fis". Nearby pair
Confusion rank #377,028 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.