nasvsnasalTell them apart

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

Which to use

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

#23,876
“nas” frequency rank
#20,434
“nasal” frequency rank
44310
confusion score

Side-by-Side Comparison

Feature nas nasal
Definition Nariz Relacionado con la nariz o propio de ella.

Where the eye mixes nas and nasal

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. nas runs 3 letters (CVC) against nasal's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
nas
5 ch
nasal

Why the eye confuses nas with nasal

These two trip readers on the page rather than in the ear: nas is [ˈnas] while nasal is [naˈsal]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “nas” sits inside “nasal”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 44310, 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]. nasal is at rank #20,434, tagged as anadj, pronounced [naˈsal].

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 44310, this pair ranks #137,788 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nas vs nasal

Shared letters: ans. Private to "nas": -. Private to "nasal": l.

"nas" · 3 letters · shape CVC  ·  "nasal" · 5 letters · shape CVCVC

Known mistypes of this pair

  • nasal ← ansal · naasl · nasall · nasla · nassal · nnasal · nsaal

Frequently Asked Questions

Is swapping "nas" for "nasal" ever safe?
No - they are not even the same part of speech. "nas" is a noun and "nasal" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "nas" or "nasal" show up more?
"nasal" is the more common of the two: it sits at frequency rank #20,434 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.

After this comparison

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 "nasal" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #137,788 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nas" and "nasal" also get mixed up with nearby pairs, the highest-scored neighbour is "nas vs nox". 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 #137,788 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