nonvsnonceConfusable pair

Quick tell: non is a adverb, nonce is a noun, so they fill different roles in a sentence.

Which to use

“non” is an adverb and “nonce” is a noun - they look or sound alike but fill different roles in a sentence.

#82
“non” frequency rank
#26,105
“nonce” frequency rank
26187
confusion score

Side-by-Side Comparison

Feature non nonce
Definition Réponse négative. Il marque le désaccord sur une question affirmative et l’accord sur une question négative. Prélat qui est l’ambassadeur du pape, accrédité auprès d’un gouvernement étranger, chargé de représenter les intérêts du Saint-Siège à l’étranger.

Where the eye mixes non and nonce

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

3 ch
non
5 ch
nonce

Visual trap between non and nonce

These two trip readers on the page rather than in the ear: non is \nɔ̃\ while nonce is \nɔ̃s\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “non” sits inside “nonce”, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 26187, derived from the frequency rank of both members and their visual similarity.

non is recorded at frequency rank #82, classified as anadv, pronounced \nɔ̃\. nonce is at rank #26,105, tagged as anoun, pronounced \nɔ̃s\.

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 26187, this pair ranks #336,610 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of non vs nonce

Shared letters: no. Private to "non": -. Private to "nonce": ce.

"non" · 3 letters · shape CVC  ·  "nonce" · 5 letters · shape CVCCV

Known mistypes of this pair

  • noncennonce · nocne · noncce · nonec · nonnce

Frequently Asked Questions

Do "non" and "nonce" mean the same thing in a sentence?
No - they are not even the same part of speech. "non" is an adverb and "nonce" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "non" or "nonce"?
"non" is the more common of the two: it sits at frequency rank #82 in our French list, against #26,105 for "nonce". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "non" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nonce" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #336,610 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "non" and "nonce" also get mixed up with nearby pairs, the highest-scored neighbour is "nome vs nonce". 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 #336,610 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