sustituidovssustituidosConfusable pair

Quick tell: sustituido is a verb, sustituidos is a participle, so they fill different roles in a sentence.

Which to use

“sustituido” is a verb and “sustituidos” is a participle - they look or sound alike but fill different roles in a sentence.

#15,503
“sustituido” frequency rank
#35,268
“sustituidos” frequency rank
50771
confusion score

Side-by-Side Comparison

Feature sustituido sustituidos
Definition Participio de sustituir. Forma del plural de sustituido, participio de sustituir.

Where the eye mixes sustituido and sustituidos

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.

10 ch
sustituido
11 ch
sustituidos

Why the eye confuses sustituido with sustituidos

These two trip readers on the page rather than in the ear: sustituido is [sust̪iˈt̪wið̞o] while sustituidos is [sust̪iˈt̪wið̞os]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “sustituido” sits inside “sustituidos”, and the parts of speech differ too (verb vs participle), which is usually the fastest check. Our composite confusion score for this pair is 50771, derived from the frequency rank of both members and their visual similarity.

sustituido is recorded at frequency rank #15,503, classified as averb, pronounced [sust̪iˈt̪wið̞o]. sustituidos is at rank #35,268, tagged as aparticiple, pronounced [sust̪iˈt̪wið̞os].

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 50771, this pair ranks #101,427 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sustituido vs sustituidos

Shared letters: diostu. Private to "sustituido": -. Private to "sustituidos": -.

"sustituido" · 10 letters · shape CVCCVCVVCV  ·  "sustituidos" · 11 letters · shape CVCCVCVVCVC

Known mistypes of this pair

  • sustituidossustituido · ssutituido · susittuido · susstituido · sustitiudo · sustittuido · sustitudio · sustituiddo
  • sustituidosssustituidos · ssutituidos · susittuidos · susstituidos · sustitiudos · sustittuidos · sustitudios · sustituiddos

Frequently Asked Questions

Is swapping "sustituido" for "sustituidos" ever safe?
No - they are not even the same part of speech. "sustituido" is a verb and "sustituidos" a participle, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sustituido" vs "sustituidos" - which ranks higher?
"sustituido" is the more common of the two: it sits at frequency rank #15,503 in our Spanish list, against #35,268 for "sustituidos". 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 "sustituido" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sustituidos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #101,427 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sustituido" and "sustituidos" also get mixed up with nearby pairs, the highest-scored neighbour is "sustituida vs sustituidos". 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 #101,427 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