dégénérévsdélétèreWhat's the difference?

Which to use

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

#17,938
“dégénéré” frequency rank
#29,744
“délétère” frequency rank
47682
confusion score

Side-by-Side Comparison

Feature dégénéré délétère
Definition Qui a subi une dégénérescence. Nuisible ou dangereux pour la santé, nocif, qui peut causer la mort.

Where the eye mixes dégénéré and délétère

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. dégénéré and délétère follow the identical consonant-vowel pattern (CVCVCVCV). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
dégénéré
8 ch
délétère

Visual trap between dégénéré and délétère

A purely visual mix-up. dégénéré (\de.ʒe.ne.ʁe\) and délétère (\de.le.tɛʁ\) 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 4 positions. Our composite confusion score for this pair is 47682, derived from the frequency rank of both members and their visual similarity.

dégénéré is recorded at frequency rank #17,938, classified as anadj, pronounced \de.ʒe.ne.ʁe\. délétère is at rank #29,744, tagged as anadj, pronounced \de.le.tɛʁ\.

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 47682, this pair ranks #185,000 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dégénéré vs délétère

Shared letters: dré. Private to "dégénéré": gn. Private to "délétère": eltè.

"dégénéré" · 8 letters · shape CVCVCVCV  ·  "délétère" · 8 letters · shape CVCVCVCV

Frequently Asked Questions

Is swapping "dégénéré" for "délétère" ever safe?
No. They are said differently (\de.ʒe.ne.ʁe\ versus \de.le.tɛʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "dégénéré" vs "délétère" - which ranks higher?
"dégénéré" is the more common of the two: it sits at frequency rank #17,938 in our French list, against #29,744 for "délétère". 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 "dégénéré" and "délétère" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dégénéré" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "délétère" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #185,000 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dégénéré" and "délétère" also get mixed up with nearby pairs, the highest-scored neighbour is "délétère vs démettre". Nearby pair

Confusion rank #185,000 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