nãovsneónConfusable pair

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

Which to use

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

#41,506
“não” frequency rank
#31,461
“neón” frequency rank
72967
confusion score

Side-by-Side Comparison

Feature não neón
Definition No. El neón es un elemento químico de número atómico 10 y símbolo Ne. Es un gas noble, incoloro, prácticamente inerte, presente en trazas en el aire, pero muy abundante en el universo, que proporciona un tono azulado característico a la luz de las llamas de los fogones en las que se emplea.

Where the eye mixes não and neón

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. não runs 3 letters (CVV) against neón's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
não
4 ch
neón

Look-alike desk: não vs neón

These two trip readers on the page rather than in the ear: não is [nɐ̃w] while neón is [neˈõn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 72967, derived from the frequency rank of both members and their visual similarity.

não is recorded at frequency rank #41,506, classified as anadv, pronounced [nɐ̃w]. neón is at rank #31,461, tagged as anoun, pronounced [neˈõn].

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 72967, this pair ranks #24,256 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of não vs neón

Shared letters: n. Private to "não": oã. Private to "neón": eó.

"não" · 3 letters · shape CVV  ·  "neón" · 4 letters · shape CVVC

Frequently Asked Questions

Can "não" and "neón" be used interchangeably?
No - they are not even the same part of speech. "não" is an adverb and "neón" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "não" or "neón" show up more?
"neón" is the more common of the two: it sits at frequency rank #31,461 in our Spanish list, against #41,506 for "não". 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 "não" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "neón" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,256 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "não" and "neón" also get mixed up with nearby pairs, the highest-scored neighbour is "não vs nox". Nearby pair

Confusion rank #24,256 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