déceptionvsdétentionWhich spelling fits?

Which to use

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

#6,950
“déception” frequency rank
#5,552
“détention” frequency rank
12502
confusion score

Side-by-Side Comparison

Feature déception détention
Definition Fait d’être déçu ou de subir une situation inférieure à ses attentes. Action de détenir une chose sans en être ni s’en prétendre le possesseur.

Where the eye mixes déception and détention

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. déception and détention follow the identical consonant-vowel pattern (CVCVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
déception
9 ch
détention

Why the eye confuses déception with détention

A purely visual mix-up. déception (\de.sɛp.sjɔ̃\) and détention (\de.tɑ̃.sjɔ̃\) 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 12502, derived from the frequency rank of both members and their visual similarity.

déception is recorded at frequency rank #6,950, classified as anoun, pronounced \de.sɛp.sjɔ̃\. détention is at rank #5,552, tagged as anoun, pronounced \de.tɑ̃.sjɔ̃\.

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 12502, this pair ranks #405,001 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of déception vs détention

Shared letters: deinoté. Private to "déception": cp. Private to "détention": -.

"déception" · 9 letters · shape CVCVCCVVC  ·  "détention" · 9 letters · shape CVCVCCVVC

Frequently Asked Questions

Can "déception" and "détention" be used interchangeably?
No. They are said differently (\de.sɛp.sjɔ̃\ versus \de.tɑ̃.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "déception" vs "détention" - which ranks higher?
"détention" is the more common of the two: it sits at frequency rank #5,552 in our French list, against #6,950 for "déception". 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 "déception" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "détention" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #405,001 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "déception" and "détention" also get mixed up with nearby pairs, the highest-scored neighbour is "déception vs désertion". Nearby pair

Confusion rank #405,001 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