nnvsnoWhat's the difference?

Quick tell: nn is a adverb, no is a pronoun, so they fill different roles in a sentence.

Which to use

“nn” is an adverb and “no” is a pronoun - they look or sound alike but fill different roles in a sentence.

#37,935
“nn” frequency rank
#15
“no” frequency rank
37950
confusion score

Side-by-Side Comparison

Feature nn no
Definition não forma enclítica do pronome o quando precedido de forma verbal terminada em som nasal

Letter map: nn vs no

Shared letters muted; letters that set nn and no apart highlighted. Shared run: 1.

2 ch
nn
2 ch
no

Grammar separator: nn vs no

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nn is anadverb and noapronoun. On the page they differ by a single letter - n in “nn” becomes o in “no”. Our composite confusion score for this pair is 37950, derived from the frequency rank of both members and their visual similarity.

nn is recorded at frequency rank #37,935, classified as anadv. no is at rank #15, tagged as apron.

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 37950, this pair ranks #28,584 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nn vs no

Shared letters: n. Private to "nn": -. Private to "no": o.

"nn" · 2 letters · shape CC  ·  "no" · 2 letters · shape CV

Frequently Asked Questions

Can "nn" and "no" be used interchangeably?
No - they are not even the same part of speech. "nn" is an adverb and "no" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "nn" vs "no" - which ranks higher?
"no" is the more common of the two: it sits at frequency rank #15 in our Portuguese list, against #37,935 for "nn". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "nn" and "no". Here's where to go from here.

  • Full dictionary entry for "nn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "no" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,584 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nn" and "no" also get mixed up with nearby pairs, the highest-scored neighbour is "nn vs noon". Nearby pair

Confusion rank #28,584 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list