nacióvsnacosWhich spelling fits?

Quick tell: nació is a verb, nacos is a noun, so they fill different roles in a sentence.

Which to use

“nació” is a verb and “nacos” is a noun - they look or sound alike but fill different roles in a sentence.

#2,177
“nació” frequency rank
#48,553
“nacos” frequency rank
50730
confusion score

Side-by-Side Comparison

Feature nació nacos
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de nacer. Forma del plural de naco.

Where the eye mixes nació and nacos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. nació (CVCVV) and nacos (CVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
nació
5 ch
nacos

Visual trap between nació and nacos

These two trip readers on the page rather than in the ear: nació is [naˈsjo] while nacos is [ˈnakos]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50730, derived from the frequency rank of both members and their visual similarity.

nació is recorded at frequency rank #2,177, classified as averb, pronounced [naˈsjo]. nacos is at rank #48,553, tagged as anoun, pronounced [ˈnakos].

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 50730, this pair ranks #101,644 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nació vs nacos

Shared letters: acn. Private to "nació": ió. Private to "nacos": os.

"nació" · 5 letters · shape CVCVV  ·  "nacos" · 5 letters · shape CVCVC

Known mistypes of this pair

  • nacos ← ancos · naccos · nacoss · nacso · naocs · ncaos · nnacos

Frequently Asked Questions

Is swapping "nació" for "nacos" ever safe?
No - they are not even the same part of speech. "nació" is a verb and "nacos" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "nació" vs "nacos" - which ranks higher?
"nació" is the more common of the two: it sits at frequency rank #2,177 in our Spanish list, against #48,553 for "nacos". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "nació" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nacos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #101,644 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nació" and "nacos" also get mixed up with nearby pairs, the highest-scored neighbour is "naces vs nacos". 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 #101,644 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