noi vs Not, What's the Difference?

Which to use

“noi” is a pronoun and “Not” is a noun - they look or sound alike but fill different roles in a sentence.

#36,563
“noi” frequency rank: #3,924
“Not” frequency rank: 40487
confusion score

Side-by-Side Comparison

Feature	noi	Not
Definition	nós	necessidade

Letter map: noi vs Not

Shared letters muted; letters that set noi and Not apart highlighted. Shared run: 2.

3 ch

noi

3 ch

Not

Role in the sentence - noi and Not

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: noi is apronoun and Notanoun. On the page they differ by a single letter - i in “noi” becomes t in “Not”. Our composite confusion score for this pair is 40487, derived from the frequency rank of both members and their visual similarity.

noi is recorded at frequency rank #36,563, classified as apron. Not is at rank #3,924, tagged as anoun, pronounced /noːt/.

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 40487, this pair ranks #25,611 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of noi vs Not

Shared letters: no. Private to "noi": i. Private to "Not": t.

"noi" · 3 letters · shape CVV · "Not" · 3 letters · shape CVC

Frequently Asked Questions

Can "noi" and "Not" be used interchangeably?

No - they are not even the same part of speech. "noi" is a pronoun and "Not" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "noi" or "Not"?

"Not" is the more common of the two: it sits at frequency rank #3,924 in our Portuguese list, against #36,563 for "noi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "noi" vs "Not" is on the table, pick a follow-up below.

Full dictionary entry for "noi" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "Not" - compare definitions side by side with the headword page. Word entry
This pair ranks #25,611 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"noi" and "Not" also get mixed up with nearby pairs, the highest-scored neighbour is "noi vs noon". Nearby pair

Confusion rank #25,611 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.