nocifvsnoixTell them apart

Quick tell: nocif is a adjective, noix is a noun, so they fill different roles in a sentence.

Which to use

“nocif” is an adjective and “noix” is a noun - they look or sound alike but fill different roles in a sentence.

#29,883
“nocif” frequency rank
#6,719
“noix” frequency rank
36602
confusion score

Side-by-Side Comparison

Feature nocif noix
Definition Qui est nuisible, qui a des effets malfaisants. Fruit charnu produit par le noyer (Juglans). C’est une drupe composée d’une écale non consommable, le brou (mésocarpe) et d’un noyau qui, une fois lignifié, en constitue la coque (endocarpe).

Where the eye mixes nocif and noix

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

5 ch
nocif
4 ch
noix

Why the eye confuses nocif with noix

These two trip readers on the page rather than in the ear: nocif is \nɔ.sif\ while noix is \nwa\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 36602, derived from the frequency rank of both members and their visual similarity.

nocif is recorded at frequency rank #29,883, classified as anadj, pronounced \nɔ.sif\. noix is at rank #6,719, tagged as anoun, pronounced \nwa\.

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 36602, this pair ranks #268,438 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nocif vs noix

Shared letters: ino. Private to "nocif": cf. Private to "noix": x.

"nocif" · 5 letters · shape CVCVC  ·  "noix" · 4 letters · shape CVVC

Known mistypes of this pair

  • nocifncoif · nnocif · noccif · nocfi · nociff · noicf · oncif
  • noixniox · nnoix · noixx · noxi · onix

Frequently Asked Questions

Can "nocif" and "noix" be used interchangeably?
No - they are not even the same part of speech. "nocif" is an adjective and "noix" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nocif" or "noix"?
"noix" is the more common of the two: it sits at frequency rank #6,719 in our French list, against #29,883 for "nocif". 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 "nocif" and "noix" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "nocif" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "noix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #268,438 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nocif" and "noix" also get mixed up with nearby pairs, the highest-scored neighbour is "nocif vs noi". 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 #268,438 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