Which to use
“thou” and “trou” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,777
- “thou” frequency rank
- #2,396
- “trou” frequency rank
- 47173
- confusion score
Side-by-Side Comparison
| Feature | thou | trou |
|---|---|---|
| Definition | Écluse en pierre ou en béton permettant de vider lentement les étangs de la Dombes dans l'Ain. | Ouverture au travers d’un corps ou qui y pénètre à une certaine profondeur. |
Where the eye mixes thou and trou
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. thou and trou follow the identical consonant-vowel pattern (CCVV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses thou with trou
A purely visual mix-up. thou (\tu\) 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 a single letter - h in “thou” becomes r in “trou”. Our composite confusion score for this pair is 47173, derived from the frequency rank of both members and their visual similarity.
thou is recorded at frequency rank #44,777, classified as anoun, pronounced \tu\. 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 47173, this pair ranks #188,996 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of thou vs trou
Shared letters: otu. Private to "thou": h. Private to "trou": r.
"thou" · 4 letters · shape CCVV · "trou" · 4 letters · shape CCVV
Known mistypes of this pair
Frequently Asked Questions
Can "thou" and "trou" be used interchangeably?
Which is more common, "thou" or "trou"?
After this comparison
Eye-level mix-up between "thou" and "trou" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thou" 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 #188,996 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "thou" and "trou" also get mixed up with nearby pairs, the highest-scored neighbour is "thou vs tos". 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 #188,996 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.