alteradovsalterarWhich spelling fits?

Which to use

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

#15,535
“alterado” frequency rank
#10,258
“alterar” frequency rank
25793
confusion score

Side-by-Side Comparison

Feature alterado alterar
Definition Participio de alterar o de alterarse. Cambiar la forma, esencia, estructura o composición de algo.

Where the eye mixes alterado and alterar

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

8 ch
alterado
7 ch
alterar

Why the eye confuses alterado with alterar

A purely visual mix-up. alterado ([al̪t̪eˈɾað̞o]) and alterar ([al̪t̪eˈɾaɾ]) 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 letter(s) in length. Our composite confusion score for this pair is 25793, derived from the frequency rank of both members and their visual similarity.

alterado is recorded at frequency rank #15,535, classified as averb, pronounced [al̪t̪eˈɾað̞o]. alterar is at rank #10,258, tagged as averb, pronounced [al̪t̪eˈɾaɾ].

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 25793, this pair ranks #234,777 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alterado vs alterar

Shared letters: aelrt. Private to "alterado": do. Private to "alterar": -.

"alterado" · 8 letters · shape VCCVCVCV  ·  "alterar" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • alteradoaletrado · allterado · alteardo · alteraddo · alteraod · alterdao · alterrado · altreado
  • alteraraletrar · allterar · altearr · alterarr · alterra · alterrar · altrear · altterar

Frequently Asked Questions

Is swapping "alterado" for "alterar" ever safe?
No. They are said differently ([al̪t̪eˈɾað̞o] versus [al̪t̪eˈɾaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "alterado" or "alterar"?
"alterar" is the more common of the two: it sits at frequency rank #10,258 in our Spanish list, against #15,535 for "alterado". 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 "alterado" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alterar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234,777 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alterado" and "alterar" also get mixed up with nearby pairs, the highest-scored neighbour is "alterado vs altercados". 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 #234,777 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