nbvsNDAWhich spelling fits?

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

Which to use

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

#12,006
“nb” frequency rank
#37,944
“NDA” frequency rank
49950
confusion score

Side-by-Side Comparison

Feature nb NDA
Definition Variante orthographique de NB, sigle de non binaire. Accord de non-divulgation, de confidentialité.

Where the eye mixes nb and NDA

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
nb
3 ch
NDA

Why the eye confuses nb with NDA

These two trip readers on the page rather than in the ear: nb is \ɛn.be\ while NDA is \ɛn.di:.eɪ\. 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 49950, derived from the frequency rank of both members and their visual similarity.

nb is recorded at frequency rank #12,006, classified as anadj, pronounced \ɛn.be\. NDA is at rank #37,944, tagged as anoun, pronounced \ɛn.di:.eɪ\.

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 49950, this pair ranks #166,547 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nb vs NDA

Shared letters: n. Private to "nb": b. Private to "NDA": ad.

"nb" · 2 letters · shape CC  ·  "NDA" · 3 letters · shape CCV

Frequently Asked Questions

Do "nb" and "NDA" mean the same thing in a sentence?
No - they are not even the same part of speech. "nb" is an adjective and "NDA" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "nb" or "NDA" show up more?
"nb" is the more common of the two: it sits at frequency rank #12,006 in our French list, against #37,944 for "NDA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "nb" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "NDA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #166,547 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nb" and "NDA" also get mixed up with nearby pairs, the highest-scored neighbour is "NDA vs nop". Nearby pair

Confusion rank #166,547 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