interesadavsinteresadoTell them apart

Quick tell: interesada is a participle, interesado is an adjective, so they fill different roles in a sentence.

Which to use

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

#7,738
“interesada” frequency rank
#3,423
“interesado” frequency rank
11161
confusion score

Side-by-Side Comparison

Feature interesada interesado
Definition Forma del femenino de interesado, participio de interesar o de interesarse. Codicioso, avariento.

Where the eye mixes interesada and interesado

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

10 ch
interesada
10 ch
interesado

Why the eye confuses interesada with interesado

These two trip readers on the page rather than in the ear: interesada is [ĩn̪t̪eɾeˈsað̞a] while interesado is [ĩn̪t̪eɾeˈsað̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “interesada” becomes o in “interesado”, and the parts of speech differ too (participle vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 11161, derived from the frequency rank of both members and their visual similarity.

interesada is recorded at frequency rank #7,738, classified as aparticiple, pronounced [ĩn̪t̪eɾeˈsað̞a]. interesado is at rank #3,423, tagged as anadj, pronounced [ĩn̪t̪eɾeˈsað̞o].

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 11161, this pair ranks #296,064 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of interesada vs interesado

Shared letters: adeinrst. Private to "interesada": -. Private to "interesado": o.

"interesada" · 10 letters · shape VCCVCVCVCV  ·  "interesado" · 10 letters · shape VCCVCVCVCV

Known mistypes of this pair

  • interesadainetresada · innteresada · inteersada · intereasda · interesaad · interesadda · interesdaa · interessada
  • interesadoinetresado · innteresado · inteersado · intereasdo · interesaddo · interesaod · interesdao · interessado

Frequently Asked Questions

Is swapping "interesada" for "interesado" ever safe?
No - they are not even the same part of speech. "interesada" is a participle and "interesado" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "interesada" or "interesado" show up more?
"interesado" is the more common of the two: it sits at frequency rank #3,423 in our Spanish list, against #7,738 for "interesada". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "interesada" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interesado" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #296,064 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interesada" and "interesado" also get mixed up with nearby pairs, the highest-scored neighbour is "ingresada vs interesada". 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 #296,064 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