Which to use
“thu” and “trou” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #48,228
- “thu” frequency rank
- #2,396
- “trou” frequency rank
- 50624
- confusion score
Side-by-Side Comparison
| Feature | thu | trou |
|---|---|---|
| Definition | Forme mutée de tu par spirantisation. | Ouverture au travers d’un corps ou qui y pénètre à une certaine profondeur. |
Where the eye mixes thu and trou
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. thu runs 3 letters (CCV) against trou's 4 (CCVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between thu and trou
A purely visual mix-up. thu (\θɨː\) and trou (\tʁu\) 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 50624, derived from the frequency rank of both members and their visual similarity.
thu is recorded at frequency rank #48,228, classified as anoun, pronounced \θɨː\. trou is at rank #2,396, tagged as anoun, pronounced \tʁu\.
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 50624, this pair ranks #161,182 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of thu vs trou
Shared letters: tu. Private to "thu": h. Private to "trou": or.
"thu" · 3 letters · shape CCV · "trou" · 4 letters · shape CCVV
Known mistypes of this pair
- trou ← rtou · trrou · truo · ttrou
Frequently Asked Questions
Can "thu" and "trou" be used interchangeably?
In ordinary French text, does "thu" or "trou" show up more?
What to do next
Eye-level mix-up between "thu" and "trou" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "trou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #161,182 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "thu" and "trou" 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 #161,182 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.