nãovsnoiWhat's the difference?

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

Which to use

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

#41,506
“não” frequency rank
#45,471
“noi” frequency rank
86977
confusion score

Side-by-Side Comparison

Feature não noi
Definition No. Nosotros

Where the eye mixes não and noi

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. não and noi follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
não
3 ch
noi

Why the eye confuses não with noi

These two trip readers on the page rather than in the ear: não is [nɐ̃w] while noi is /ˈnoj/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 86977, derived from the frequency rank of both members and their visual similarity.

não is recorded at frequency rank #41,506, classified as anadv, pronounced [nɐ̃w]. noi is at rank #45,471, tagged as apron, pronounced /ˈnoj/.

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 86977, this pair ranks #4,854 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of não vs noi

Shared letters: no. Private to "não": ã. Private to "noi": i.

"não" · 3 letters · shape CVV  ·  "noi" · 3 letters · shape CVV

Frequently Asked Questions

Can "não" and "noi" be used interchangeably?
No - they are not even the same part of speech. "não" is an adverb and "noi" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "não" vs "noi" - which ranks higher?
"não" is the more common of the two: it sits at frequency rank #41,506 in our Spanish list, against #45,471 for "noi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "não" and "noi" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "não" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "noi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,854 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "não" and "noi" also get mixed up with nearby pairs, the highest-scored neighbour is "noi vs nox". Nearby pair

Confusion rank #4,854 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list