nasvsnouWhat's the difference?

Quick tell: nas is a noun, nou is an adjective, so they fill different roles in a sentence.

Which to use

“nas” is a noun and “nou” is an adjective - they look or sound alike but fill different roles in a sentence.

#23,876
“nas” frequency rank
#19,508
“nou” frequency rank
43384
confusion score

Side-by-Side Comparison

Feature nas nou
Definition Nariz Nuevo

Where the eye mixes nas and nou

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
nas
3 ch
nou

Why the eye confuses nas with nou

These two trip readers on the page rather than in the ear: nas is [ˈnas] while nou is [ˈnow]. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 43384, derived from the frequency rank of both members and their visual similarity.

nas is recorded at frequency rank #23,876, classified as anoun, pronounced [ˈnas]. nou is at rank #19,508, tagged as anadj, pronounced [ˈnow].

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 43384, this pair ranks #142,938 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nas vs nou

Shared letters: n. Private to "nas": as. Private to "nou": ou.

"nas" · 3 letters · shape CVC  ·  "nou" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "nas" for "nou" ever safe?
No - they are not even the same part of speech. "nas" is a noun and "nou" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "nas" or "nou" show up more?
"nou" is the more common of the two: it sits at frequency rank #19,508 in our Spanish list, against #23,876 for "nas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "nas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #142,938 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nas" and "nou" also get mixed up with nearby pairs, the highest-scored neighbour is "nas vs nox". Nearby pair

Confusion rank #142,938 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