interesadovsinteresaronTell them apart

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

Which to use

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

#3,423
“interesado” frequency rank
#43,072
“interesaron” frequency rank
46495
confusion score

Side-by-Side Comparison

Feature interesado interesaron
Definition Codicioso, avariento. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de interesar o de interesarse.

Where the eye mixes interesado and interesaron

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. interesado runs 10 letters (VCCVCVCVCV) against interesaron's 11 (VCCVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
interesado
11 ch
interesaron

Visual trap between interesado and interesaron

These two trip readers on the page rather than in the ear: interesado is [ĩn̪t̪eɾeˈsað̞o] while interesaron is [ĩn̪t̪eɾeˈsaɾõn]. 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 46495, derived from the frequency rank of both members and their visual similarity.

interesado is recorded at frequency rank #3,423, classified as anadj, pronounced [ĩn̪t̪eɾeˈsað̞o]. interesaron is at rank #43,072, tagged as averb, pronounced [ĩn̪t̪eɾeˈsaɾõn].

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 46495, this pair ranks #125,387 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interesado vs interesaron

Shared letters: aeinorst. Private to "interesado": d. Private to "interesaron": -.

"interesado" · 10 letters · shape VCCVCVCVCV  ·  "interesaron" · 11 letters · shape VCCVCVCVCVC

Known mistypes of this pair

  • interesado ← inetresado · innteresado · inteersado · intereasdo · interesaddo · interesaod · interesdao · interessado
  • interesaron ← inetresaron · innteresaron · inteersaron · intereasron · interesaorn · interesarno · interesaronn · interesarron

Frequently Asked Questions

Is swapping "interesado" for "interesaron" ever safe?
No - they are not even the same part of speech. "interesado" is an adjective and "interesaron" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "interesado" or "interesaron"?
"interesado" is the more common of the two: it sits at frequency rank #3,423 in our Spanish list, against #43,072 for "interesaron". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "interesado" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interesaron" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #125,387 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interesado" and "interesaron" also get mixed up with nearby pairs, the highest-scored neighbour is "interesaban vs interesaron". 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 #125,387 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