aisladovsaislarWhich spelling fits?

Quick tell: aislado is a adjective, aislar is a verb, so they fill different roles in a sentence.

Which to use

“aislado” is an adjective and “aislar” is a verb - they look or sound alike but fill different roles in a sentence.

#7,814
“aislado” frequency rank
#17,327
“aislar” frequency rank
25141
confusion score

Side-by-Side Comparison

Feature aislado aislar
Definition Se dice de algo que ha quedado lejos o sin posibilidad de comunicarse con los otros de su misma especie. Separar algo o alguien, previniendo el ulterior contacto.

Where the eye mixes aislado and aislar

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
aislado
6 ch
aislar

Why the eye confuses aislado with aislar

These two trip readers on the page rather than in the ear: aislado is [ajsˈlað̞o] while aislar is [ajsˈlaɾ]. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 25141, derived from the frequency rank of both members and their visual similarity.

aislado is recorded at frequency rank #7,814, classified as anadj, pronounced [ajsˈlað̞o]. aislar is at rank #17,327, tagged as averb, pronounced [ajsˈlaɾ].

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 25141, this pair ranks #237,813 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aislado vs aislar

Shared letters: ails. Private to "aislado": do. Private to "aislar": r.

"aislado" · 7 letters · shape VVCCVCV  ·  "aislar" · 6 letters · shape VVCCVC

Known mistypes of this pair

  • aisladoailsado · aisaldo · aisladdo · aislaod · aisldao · aisllado · aisslado · asilado
  • aislarailsar · aisalr · aislarr · aisllar · aislra · aisslar · asilar · iaslar

Frequently Asked Questions

Is swapping "aislado" for "aislar" ever safe?
No - they are not even the same part of speech. "aislado" is an adjective and "aislar" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "aislado" or "aislar"?
"aislado" is the more common of the two: it sits at frequency rank #7,814 in our Spanish list, against #17,327 for "aislar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "aislado" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aislar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #237,813 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aislado" and "aislar" also get mixed up with nearby pairs, the highest-scored neighbour is "aislar vs aslan". 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 #237,813 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