tachevstactWhat's the difference?

Which to use

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

#8,314
“tache” frequency rank
#21,787
“tact” frequency rank
30101
confusion score

Side-by-Side Comparison

Feature tache tact
Definition Souillure sur quelque chose ; marque qui salit. Toucher, sens par lequel on connaît ce qui est chaud ou froid, dur ou mou, uni ou raboteux, etc.

Where the eye mixes tache and tact

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
tache
4 ch
tact

Why the eye confuses tache with tact

A purely visual mix-up. tache (\taʃ\) and tact (\takt\) 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 30101, derived from the frequency rank of both members and their visual similarity.

tache is recorded at frequency rank #8,314, classified as anoun, pronounced \taʃ\. tact is at rank #21,787, tagged as anoun, pronounced \takt\.

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 30101, this pair ranks #312,479 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tache vs tact

Shared letters: act. Private to "tache": eh. Private to "tact": -.

"tache" · 5 letters · shape CVCCV  ·  "tact" · 4 letters · shape CVCC

Known mistypes of this pair

  • tacheatche · tacche · taceh · tachhe · tahce · tcahe · ttache
  • tactatct · tacct · tactt · tatc · tcat · ttact

Frequently Asked Questions

Is swapping "tache" for "tact" ever safe?
No. They are said differently (\taʃ\ versus \takt\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "tache" or "tact" show up more?
"tache" is the more common of the two: it sits at frequency rank #8,314 in our French list, against #21,787 for "tact". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "tache" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tact" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #312,479 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tache" and "tact" also get mixed up with nearby pairs, the highest-scored neighbour is "tact vs teach". 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 #312,479 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