thouvstrousWhich spelling fits?

Which to use

“thou” and “trous” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#44,777
“thou” frequency rank
#4,813
“trous” frequency rank
49590
confusion score

Side-by-Side Comparison

Feature thou trous
Definition Écluse en pierre ou en béton permettant de vider lentement les étangs de la Dombes dans l'Ain. Pluriel de trou.

Where the eye mixes thou and trous

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. thou runs 4 letters (CCVV) against trous's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
thou
5 ch
trous

Visual trap between thou and trous

A purely visual mix-up. thou (\tu\) and trous (\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 49590, 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\. trous is at rank #4,813, 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 49590, this pair ranks #169,398 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thou vs trous

Shared letters: otu. Private to "thou": h. Private to "trous": rs.

"thou" · 4 letters · shape CCVV  ·  "trous" · 5 letters · shape CCVVC

Known mistypes of this pair

  • thou ← htou · thhou · thuo · tohu · tthou
  • trous ← rtous · trosu · trouss · trrous · truos · ttrous

Frequently Asked Questions

Do "thou" and "trous" mean the same thing in a sentence?
No. They are said differently (\tu\ versus \tʁu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "thou" vs "trous" - which ranks higher?
"trous" is the more common of the two: it sits at frequency rank #4,813 in our French list, against #44,777 for "thou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "thou" and "trous" 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 "trous" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #169,398 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "thou" and "trous" 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 #169,398 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list