alteradavsalteradasWhat's the difference?

Which to use

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

#18,435
“alterada” frequency rank
#38,488
“alteradas” frequency rank
56923
confusion score

Side-by-Side Comparison

Feature alterada alteradas
Definition Forma del femenino de alterado, participio de alterar. Forma del femenino plural de alterado, participio de alterar.

Where the eye mixes alterada and alteradas

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

8 ch
alterada
9 ch
alteradas

Look-alike desk: alterada vs alteradas

A purely visual mix-up. alterada ([al̪t̪eˈɾað̞a]) and alteradas ([al̪t̪eˈɾað̞as]) 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) - “alterada” sits inside “alteradas”. Our composite confusion score for this pair is 56923, derived from the frequency rank of both members and their visual similarity.

alterada is recorded at frequency rank #18,435, classified as aparticiple, pronounced [al̪t̪eˈɾað̞a]. alteradas is at rank #38,488, tagged as aparticiple, pronounced [al̪t̪eˈɾað̞as].

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 56923, this pair ranks #72,567 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of alterada vs alteradas

Shared letters: adelrt. Private to "alterada": -. Private to "alteradas": s.

"alterada" · 8 letters · shape VCCVCVCV  ·  "alteradas" · 9 letters · shape VCCVCVCVC

Known mistypes of this pair

  • alteradaaletrada · allterada · altearda · alteraad · alteradda · alterdaa · alterrada · altreada
  • alteradasaletradas · allteradas · alteardas · alteraads · alteradass · alteraddas · alteradsa · alterdaas

Frequently Asked Questions

Can "alterada" and "alteradas" be used interchangeably?
No. They are said differently ([al̪t̪eˈɾað̞a] versus [al̪t̪eˈɾað̞as]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "alterada" or "alteradas"?
"alterada" is the more common of the two: it sits at frequency rank #18,435 in our Spanish list, against #38,488 for "alteradas". 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 "alterada" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alteradas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,567 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alterada" and "alteradas" also get mixed up with nearby pairs, the highest-scored neighbour is "alteradas 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 #72,567 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