alertavsalertasWhich spelling fits?

Which to use

“alerta” and “alertas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,378
“alerta” frequency rank
#15,532
“alertas” frequency rank
18910
confusion score

Side-by-Side Comparison

Feature alerta alertas
Definition Adjetivo invariante en género que denota estado de atención o vigilancia. Forma del plural de alerta.

Where the eye mixes alerta and alertas

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
alerta
7 ch
alertas

Look-alike desk: alerta vs alertas

A purely visual mix-up. alerta ([aˈleɾt̪a]) and alertas ([aˈleɾt̪as]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “alerta” sits inside “alertas”. Our composite confusion score for this pair is 18910, derived from the frequency rank of both members and their visual similarity.

alerta is recorded at frequency rank #3,378, classified as anadj, pronounced [aˈleɾt̪a]. alertas is at rank #15,532, tagged as anadj, pronounced [aˈleɾt̪as].

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 18910, this pair ranks #265,956 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of alerta vs alertas

Shared letters: aelrt. Private to "alerta": -. Private to "alertas": s.

"alerta" · 6 letters · shape VCVCCV  ·  "alertas" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • alertaaelrta · alerat · alerrta · alertta · aletra · allerta · alreta · laerta
  • alertasaelrtas · alerats · alerrtas · alertass · alertsa · alerttas · aletras · allertas

Frequently Asked Questions

Can "alerta" and "alertas" be used interchangeably?
No. They are said differently ([aˈleɾt̪a] versus [aˈleɾt̪as]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "alerta" or "alertas"?
"alerta" is the more common of the two: it sits at frequency rank #3,378 in our Spanish list, against #15,532 for "alertas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "alerta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alertas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #265,956 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alerta" and "alertas" also get mixed up with nearby pairs, the highest-scored neighbour is "alertan vs alertas". 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 #265,956 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