nay vs nu, What's the Difference?

Which to use

“nay” is an adverb and “nu” is an adjective - they look or sound alike but fill different roles in a sentence.

#30,276
“nay” frequency rank: #5,663
“nu” frequency rank: 35939
confusion score

Side-by-Side Comparison

Feature	nay	nu
Definition	não	despido, em pelo, sem roupas

Letter map: nay vs nu

Shared letters muted; letters that set nay and nu apart highlighted. Shared run: 1.

3 ch

nay

2 ch

Grammar separator: nay vs nu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nay is anadverb and nuanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 35939, derived from the frequency rank of both members and their visual similarity.

nay is recorded at frequency rank #30,276, classified as anadv. nu is at rank #5,663, tagged as anadj, pronounced /ˈnu/.

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 35939, this pair ranks #30,994 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nay vs nu

Shared letters: n. Private to "nay": ay. Private to "nu": u.

"nay" · 3 letters · shape CVV · "nu" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "nay" for "nu" ever safe?

No - they are not even the same part of speech. "nay" is an adverb and "nu" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "nay" or "nu"?

"nu" is the more common of the two: it sits at frequency rank #5,663 in our Portuguese list, against #30,276 for "nay". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "nay" and "nu".

Full dictionary entry for "nay" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "nu" - compare definitions side by side with the headword page. Word entry
This pair ranks #30,994 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"nay" and "nu" also get mixed up with nearby pairs, the highest-scored neighbour is "nami vs nay". Nearby pair

Confusion rank #30,994 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.