Which to use
“su” and “sun” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,609
- “su” frequency rank
- #6,897
- “sun” frequency rank
- 8506
- confusion score
Side-by-Side Comparison
| Feature | su | sun |
|---|---|---|
| Definition | Participe passé masculin singulier du verbe savoir. | Chanter |
Letter map: su vs sun
Shared letters muted; letters that set su and sun apart highlighted. Shared run: 2.
Corpus notes: su and sun
su and sun are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 extra letter(s) - “su” sits inside “sun”. Our composite confusion score for this pair is 8506, derived from the frequency rank of both members and their visual similarity.
su is recorded at frequency rank #1,609, classified as averb, pronounced \sy\. sun is at rank #6,897, tagged as averb.
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 8506, this pair ranks #419,795 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of su vs sun
Shared letters: su. Private to "su": -. Private to "sun": n.
"su" · 2 letters · shape CV · "sun" · 3 letters · shape CVC
Frequently Asked Questions
Can "su" and "sun" be used interchangeably?
In ordinary French text, does "su" or "sun" show up more?
Useful next steps
Pair "su" vs "sun" is on the table, pick a follow-up below.
- Full dictionary entry for "su" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sun" - compare definitions side by side with the headword page. Word entry
- This pair ranks #419,795 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "su" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "sun vs suu". Nearby pair
Confusion rank #419,795 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.