nnvsnomTell them apart

Quick tell: nn is a adverb, nom is a noun, so they fill different roles in a sentence.

Which to use

“nn” is an adverb and “nom” is a noun - they look or sound alike but fill different roles in a sentence.

#37,935
“nn” frequency rank
#21,251
“nom” frequency rank
59186
confusion score

Side-by-Side Comparison

Feature nn nom
Definition não nome

Letter map: nn vs nom

Shared letters muted; letters that set nn and nom apart highlighted. Shared run: 1.

2 ch
nn
3 ch
nom

Part-of-speech tell for nn / nom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nn is anadverb and nomanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59186, derived from the frequency rank of both members and their visual similarity.

nn is recorded at frequency rank #37,935, classified as anadv. nom is at rank #21,251, tagged as anoun.

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 59186, this pair ranks #8,315 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of nn vs nom

Shared letters: n. Private to "nn": -. Private to "nom": mo.

"nn" · 2 letters · shape CC  ·  "nom" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "nn" for "nom" ever safe?
No - they are not even the same part of speech. "nn" is an adverb and "nom" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nn" or "nom"?
"nom" is the more common of the two: it sits at frequency rank #21,251 in our Portuguese list, against #37,935 for "nn". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "nn" and "nom". Here's where to go from here.

  • Full dictionary entry for "nn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #8,315 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nn" and "nom" also get mixed up with nearby pairs, the highest-scored neighbour is "nn vs noon". Nearby pair

Confusion rank #8,315 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