nnvsnoonTell them apart

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

Which to use

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

#37,935
“nn” frequency rank
#49,607
“noon” frequency rank
87542
confusion score

Side-by-Side Comparison

Feature nn noon
Definition não meio-dia

Letter map: nn vs noon

Shared letters muted; letters that set nn and noon apart highlighted. Shared run: 2. nn runs 2 letters (CC) against noon's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

2 ch
nn
4 ch
noon

Grammar separator: nn vs noon

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nn is anadverb and noonanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 87542, derived from the frequency rank of both members and their visual similarity.

nn is recorded at frequency rank #37,935, classified as anadv. noon is at rank #49,607, tagged as anoun, pronounced /nuːn/.

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 87542, this pair ranks #481 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of nn vs noon

Shared letters: n. Private to "nn": -. Private to "noon": o.

"nn" · 2 letters · shape CC  ·  "noon" · 4 letters · shape CVVC

Known mistypes of this pair

  • noon ← nnoon · noonn · onon

Frequently Asked Questions

Do "nn" and "noon" mean the same thing in a sentence?
No - they are not even the same part of speech. "nn" is an adverb and "noon" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "nn" vs "noon" - which ranks higher?
"nn" is the more common of the two: it sits at frequency rank #37,935 in our Portuguese list, against #49,607 for "noon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "nn" and "noon".

  • Full dictionary entry for "nn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "noon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #481 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nn" and "noon" also get mixed up with nearby pairs, the highest-scored neighbour is "noon vs nun". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #481 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