nay vs nun, What's the Difference?

Which to use

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

#30,276
“nay” frequency rank: #39,280
“nun” frequency rank: 69556
confusion score

Side-by-Side Comparison

Feature	nay	nun
Definition	não	agora, neste momento:

Letter map: nay vs nun

Shared letters muted; letters that set nay and nun apart highlighted. Shared run: 1. nay (CVV) and nun (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch

nay

3 ch

nun

Pair insight - nay / nun

nay and nun 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 69556, derived from the frequency rank of both members and their visual similarity.

nay is recorded at frequency rank #30,276, classified as anadv. nun is at rank #39,280, tagged as anadv, pronounced /ˈnuːn/.

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 69556, this pair ranks #3,912 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of nay vs nun

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

"nay" · 3 letters · shape CVV · "nun" · 3 letters · shape CVC

Frequently Asked Questions

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

No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

In ordinary Portuguese text, does "nay" or "nun" show up more?

"nay" is the more common of the two: it sits at frequency rank #30,276 in our Portuguese list, against #39,280 for "nun". 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 "nay" and "nun".

Full dictionary entry for "nay" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "nun" - compare definitions side by side with the headword page. Word entry
This pair ranks #3,912 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"nay" and "nun" also get mixed up with nearby pairs, the highest-scored neighbour is "noon vs nun". Nearby pair

Confusion rank #3,912 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.