malsainvsmalsainesTell them apart

Which to use

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

#16,410
“malsain” frequency rank
#41,885
“malsaines” frequency rank
58295
confusion score

Side-by-Side Comparison

Feature malsain malsaines
Definition Qui n’est pas sain, qui a en soi le germe de quelque maladie. Féminin pluriel de malsain.

Where the eye mixes malsain and malsaines

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. malsain runs 7 letters (CVCCVVC) against malsaines's 9 (CVCCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
malsain
9 ch
malsaines

Visual trap between malsain and malsaines

A purely visual mix-up. malsain (\mal.sɛ̃\) and malsaines (\mal.sɛn\) 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 extra letter(s) - “malsain” sits inside “malsaines”. Our composite confusion score for this pair is 58295, derived from the frequency rank of both members and their visual similarity.

malsain is recorded at frequency rank #16,410, classified as anadj, pronounced \mal.sɛ̃\. malsaines is at rank #41,885, tagged as anadj, pronounced \mal.sɛn\.

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 58295, this pair ranks #109,895 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of malsain vs malsaines

Shared letters: ailmns. Private to "malsain": -. Private to "malsaines": e.

"malsain" · 7 letters · shape CVCCVVC  ·  "malsaines" · 9 letters · shape CVCCVVCVC

Known mistypes of this pair

  • malsain ← amlsain · malasin · mallsain · malsainn · malsani · malsian · malssain · maslain
  • malsaines ← amlsaines · malasines · mallsaines · malsaiens · malsainess · malsainnes · malsainse · malsanies

Frequently Asked Questions

Is swapping "malsain" for "malsaines" ever safe?
No. They are said differently (\mal.sɛ̃\ versus \mal.sɛn\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "malsain" vs "malsaines" - which ranks higher?
"malsain" is the more common of the two: it sits at frequency rank #16,410 in our French list, against #41,885 for "malsaines". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "malsain" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "malsaines" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #109,895 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "malsain" and "malsaines" also get mixed up with nearby pairs, the highest-scored neighbour is "malsaines vs malsains". 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 #109,895 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