Which to use
“thon” and “thu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,703
- “thon” frequency rank
- #48,228
- “thu” frequency rank
- 61931
- confusion score
Side-by-Side Comparison
| Feature | thon | thu |
|---|---|---|
| Definition | Grand poisson bleu argenté de la famille des scombridés, au corps allongé et hydrodynamique, très bon nageur, vivant en banc. | Forme mutée de tu par spirantisation. |
Where the eye mixes thon and thu
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. thon runs 4 letters (CCVC) against thu's 3 (CCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between thon and thu
A purely visual mix-up. thon (\tɔ̃\) and thu (\θɨː\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 61931, derived from the frequency rank of both members and their visual similarity.
thon is recorded at frequency rank #13,703, classified as anoun, pronounced \tɔ̃\. thu is at rank #48,228, tagged as anoun, pronounced \θɨː\.
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 61931, this pair ranks #89,705 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of thon vs thu
Shared letters: ht. Private to "thon": no. Private to "thu": u.
"thon" · 4 letters · shape CCVC · "thu" · 3 letters · shape CCV
Known mistypes of this pair
- thon ← hton · thhon · thno · thonn · tohn · tthon
Frequently Asked Questions
Can "thon" and "thu" be used interchangeably?
Which is more common, "thon" or "thu"?
What to do next
Eye-level mix-up between "thon" and "thu" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #89,705 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "thon" and "thu" also get mixed up with nearby pairs, the highest-scored neighbour is "thu vs tif". 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 #89,705 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.