tosvstrousTell them apart

Which to use

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

#48,234
“tos” frequency rank
#4,813
“trous” frequency rank
53047
confusion score

Side-by-Side Comparison

Feature tos trous
Definition Élève de première année à l’École polytechnique. Pluriel de trou.

Where the eye mixes tos and trous

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

3 ch
tos
5 ch
trous

Look-alike desk: tos vs trous

A purely visual mix-up. tos (\tos\) 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 2 letter(s) in length. Our composite confusion score for this pair is 53047, derived from the frequency rank of both members and their visual similarity.

tos is recorded at frequency rank #48,234, classified as anoun, pronounced \tos\. 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 53047, this pair ranks #143,465 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tos vs trous

Shared letters: ost. Private to "tos": -. Private to "trous": ru.

"tos" · 3 letters · shape CVC  ·  "trous" · 5 letters · shape CCVVC

Known mistypes of this pair

  • trous ← rtous · trosu · trouss · trrous · truos · ttrous

Frequently Asked Questions

Do "tos" and "trous" mean the same thing in a sentence?
No. They are said differently (\tos\ versus \tʁu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tos" or "trous"?
"trous" is the more common of the two: it sits at frequency rank #4,813 in our French list, against #48,234 for "tos". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "tos" 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 #143,465 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tos" and "trous" also get mixed up with nearby pairs, the highest-scored neighbour is "tif 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 #143,465 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