deterioravsdeterioradoWhat's the difference?

Which to use

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

#42,397
“deteriora” frequency rank
#26,406
“deteriorado” frequency rank
68803
confusion score

Side-by-Side Comparison

Feature deteriora deteriorado
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de deteriorar. Participio de deteriorar.

Where the eye mixes deteriora and deteriorado

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. deteriora runs 9 letters (CVCVCVVCV) against deteriorado's 11 (CVCVCVVCVCV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
deteriora
11 ch
deteriorado

Why the eye confuses deteriora with deteriorado

A purely visual mix-up. deteriora ([d̪et̪eˈɾjoɾa]) and deteriorado ([d̪et̪eɾjoˈɾað̞o]) 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 2 extra letter(s) - “deteriora” sits inside “deteriorado”. Our composite confusion score for this pair is 68803, derived from the frequency rank of both members and their visual similarity.

deteriora is recorded at frequency rank #42,397, classified as averb, pronounced [d̪et̪eˈɾjoɾa]. deteriorado is at rank #26,406, tagged as averb, pronounced [d̪et̪eɾjoˈɾað̞o].

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 68803, this pair ranks #33,578 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of deteriora vs deteriorado

Shared letters: adeiort. Private to "deteriora": -. Private to "deteriorado": -.

"deteriora" · 9 letters · shape CVCVCVVCV  ·  "deteriorado" · 11 letters · shape CVCVCVVCVCV

Known mistypes of this pair

  • deteriora ← ddeteriora · deetriora · deteirora · deterioar · deteriorra · deteriroa · deteroira · deterriora
  • deteriorado ← ddeteriorado · deetriorado · deteirorado · deterioardo · deterioraddo · deterioraod · deteriordao · deteriorrado

Frequently Asked Questions

Can "deteriora" and "deteriorado" be used interchangeably?
No. They are said differently ([d̪et̪eˈɾjoɾa] versus [d̪et̪eɾjoˈɾað̞o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "deteriora" or "deteriorado"?
"deteriorado" is the more common of the two: it sits at frequency rank #26,406 in our Spanish list, against #42,397 for "deteriora". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "deteriora" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "deteriorado" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,578 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "deteriora" and "deteriorado" also get mixed up with nearby pairs, the highest-scored neighbour is "deteriora vs deteriorada". 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 #33,578 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