toolvstrouWhich spelling fits?

Which to use

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

#40,535
“tool” frequency rank
#2,396
“trou” frequency rank
42931
confusion score

Side-by-Side Comparison

Feature tool trou
Definition Outil. Ouverture au travers d’un corps ou qui y pénètre à une certaine profondeur.

Where the eye mixes tool and trou

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
tool
4 ch
trou

Visual trap between tool and trou

A purely visual mix-up. tool (\tuːl\) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 42931, derived from the frequency rank of both members and their visual similarity.

tool is recorded at frequency rank #40,535, classified as anoun, pronounced \tuːl\. 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 42931, this pair ranks #221,838 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tool vs trou

Shared letters: ot. Private to "tool": l. Private to "trou": ru.

"tool" · 4 letters · shape CVVC  ·  "trou" · 4 letters · shape CCVV

Known mistypes of this pair

  • toolotol · tol · tolo · tooll · ttool
  • trourtou · trrou · truo · ttrou

Frequently Asked Questions

Can "tool" and "trou" be used interchangeably?
No. They are said differently (\tuːl\ versus \tʁu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tool" vs "trou" - which ranks higher?
"trou" is the more common of the two: it sits at frequency rank #2,396 in our French list, against #40,535 for "tool". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "tool" and "trou" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "tool" 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 #221,838 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tool" and "trou" also get mixed up with nearby pairs, the highest-scored neighbour is "todo vs tool". 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 #221,838 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