NavsnnWhat's the difference?

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

Which to use

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

#5,897
“Na” frequency rank
#24,303
“nn” frequency rank
30200
confusion score

Side-by-Side Comparison

Feature Na nn
Definition Symbole chimique du sodium. Ne pas.

Letter map: Na vs nn

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

2 ch
Na
2 ch
nn

Role in the sentence - Na and nn

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Na is asymbol and nnanadverb. On the page they differ by a single letter - a in “Na” becomes n in “nn”. Our composite confusion score for this pair is 30200, derived from the frequency rank of both members and their visual similarity.

Na is recorded at frequency rank #5,897, classified as asymbol. nn is at rank #24,303, tagged as anadv, pronounced \ˈnon\.

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 30200, this pair ranks #311,880 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Na vs nn

Shared letters: n. Private to "Na": a. Private to "nn": -.

"Na" · 2 letters · shape CV  ·  "nn" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "Na" for "nn" ever safe?
No - they are not even the same part of speech. "Na" is a symbol and "nn" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Na" or "nn" show up more?
"Na" is the more common of the two: it sits at frequency rank #5,897 in our French list, against #24,303 for "nn". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Na" and "nn".

  • Full dictionary entry for "Na" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nn" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #311,880 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Na" and "nn" also get mixed up with nearby pairs, the highest-scored neighbour is "nn vs nop". Nearby pair

Confusion rank #311,880 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