NavsnonConfusable pair

Quick tell: Na is a symbol, non is an adverb, so they fill different roles in a sentence.

Which to use

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

#5,897
“Na” frequency rank
#82
“non” frequency rank
5979
confusion score

Side-by-Side Comparison

Feature Na non
Definition Symbole chimique du sodium. Réponse négative. Il marque le désaccord sur une question affirmative et l’accord sur une question négative.

Letter map: Na vs non

Shared letters muted; letters that set Na and non apart highlighted. Shared run: 1.

2 ch
Na
3 ch
non

Part-of-speech tell for Na / non

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Na is asymbol and nonanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 5979, derived from the frequency rank of both members and their visual similarity.

Na is recorded at frequency rank #5,897, classified as asymbol. non is at rank #82, tagged as anadv, pronounced \nɔ̃\.

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 5979, this pair ranks #427,516 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Na vs non

Shared letters: n. Private to "Na": a. Private to "non": o.

"Na" · 2 letters · shape CV  ·  "non" · 3 letters · shape CVC

Frequently Asked Questions

Can "Na" and "non" be used interchangeably?
No - they are not even the same part of speech. "Na" is a symbol and "non" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Na" vs "non" - which ranks higher?
"non" is the more common of the two: it sits at frequency rank #82 in our French list, against #5,897 for "Na". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "Na" and "non". Here's where to go from here.

  • Full dictionary entry for "Na" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "non" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #427,516 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Na" and "non" also get mixed up with nearby pairs, the highest-scored neighbour is "Na vs nop". Nearby pair

Confusion rank #427,516 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