noivsnonWhat's the difference?

Quick tell: noi is a pronoun, non is an adverb, so they fill different roles in a sentence.

Which to use

“noi” is a pronoun and “non” is an adverb - they look or sound alike but fill different roles in a sentence.

#36,563
“noi” frequency rank
#6,793
“non” frequency rank
43356
confusion score

Side-by-Side Comparison

Feature noi non
Definition nós não

Where the spellings diverge

Shared letters are muted; the letters that actually set noi and non apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
noi
3 ch
non

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: noi is apronoun and nonanadverb. On the page they differ by a single letter - i in “noi” becomes n in “non”. Our composite confusion score for this pair is 43356, derived from the frequency rank of both members and their visual similarity.

noi is recorded at frequency rank #36,563, classified as apron. 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 43356, this pair ranks #22,285 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of noi vs non

Shared letters: no. Private to "noi": i. Private to "non": -.

"noi" · 3 letters · shape CVV  ·  "non" · 3 letters · shape CVC

Frequency comparison

noi#36,563
non#6,793

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "noi" and "non" be used interchangeably?
No - they are not even the same part of speech. "noi" is a pronoun and "non" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "noi" or "non"?
"non" is the more common of the two: it sits at frequency rank #6,793 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.

Remembering noi vs non

The fastest way to pick the right one every time.

  • Check the role first: if you need a pronoun, it's “noi”; for an adverb, it's “non”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “noi” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list