nd vs non, What's the Difference?

Which to use

“nd” and “non” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,256
“nd” frequency rank: #6,793
“non” frequency rank: 11049
confusion score

Side-by-Side Comparison

Feature	nd	non
Definition	nada	não

Letter map: nd vs non

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

2 ch

3 ch

non

Corpus notes: nd and non

nd and non are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 11049, derived from the frequency rank of both members and their visual similarity.

nd is recorded at frequency rank #4,256, classified as anadv. non is at rank #6,793, tagged as anadv.

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 11049, this pair ranks #61,895 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of nd vs non

Shared letters: n. Private to "nd": d. Private to "non": o.

"nd" · 2 letters · shape CC · "non" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "nd" for "non" ever safe?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "nd" vs "non" - which ranks higher?

"nd" is the more common of the two: it sits at frequency rank #4,256 in our Portuguese list, against #6,793 for "non". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "nd" and "non".

Full dictionary entry for "nd" 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 #61,895 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"nd" and "non" also get mixed up with nearby pairs, the highest-scored neighbour is "non vs noon". Nearby pair

Confusion rank #61,895 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.