nocifvsnociveTell them apart

Which to use

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

#29,883
“nocif” frequency rank
#41,424
“nocive” frequency rank
71307
confusion score

Side-by-Side Comparison

Feature nocif nocive
Definition Qui est nuisible, qui a des effets malfaisants. Féminin singulier de nocif.

Where the eye mixes nocif and nocive

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. nocif runs 5 letters (CVCVC) against nocive's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
nocif
6 ch
nocive

Why the eye confuses nocif with nocive

A purely visual mix-up. nocif (\nɔ.sif\) and nocive (\nɔ.siv\) 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 71307, 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\. nocive is at rank #41,424, tagged as anadj, pronounced \nɔ.siv\.

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 71307, this pair ranks #48,023 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of nocif vs nocive

Shared letters: cino. Private to "nocif": f. Private to "nocive": ev.

"nocif" · 5 letters · shape CVCVC  ·  "nocive" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • nocif ← ncoif · nnocif · noccif · nocfi · nociff · noicf · oncif
  • nocive ← ncoive · nnocive · noccive · nociev · nocivve · nocvie · noicve · oncive

Frequently Asked Questions

Do "nocif" and "nocive" mean the same thing in a sentence?
No. They are said differently (\nɔ.sif\ versus \nɔ.siv\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "nocif" or "nocive"?
"nocif" is the more common of the two: it sits at frequency rank #29,883 in our French list, against #41,424 for "nocive". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "nocif" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nocive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,023 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nocif" and "nocive" also get mixed up with nearby pairs, the highest-scored neighbour is "nocive vs nocivité". 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 #48,023 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