interesabanvsinteresadasWhich spelling fits?

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

Which to use

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

#36,106
“interesaban” frequency rank
#10,517
“interesadas” frequency rank
46623
confusion score

Side-by-Side Comparison

Feature interesaban interesadas
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de interesar. Forma del femenino plural de interesado, participio de interesar o de interesarse.

Where the eye mixes interesaban and interesadas

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. interesaban and interesadas follow the identical consonant-vowel pattern (VCCVCVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

11 ch
interesaban
11 ch
interesadas

Look-alike desk: interesaban vs interesadas

These two trip readers on the page rather than in the ear: interesaban is [ĩn̪t̪eɾeˈsaβ̞ãn] while interesadas is [ĩn̪t̪eɾeˈsað̞as]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs participle), which is usually the fastest check. Our composite confusion score for this pair is 46623, derived from the frequency rank of both members and their visual similarity.

interesaban is recorded at frequency rank #36,106, classified as averb, pronounced [ĩn̪t̪eɾeˈsaβ̞ãn]. interesadas is at rank #10,517, tagged as aparticiple, pronounced [ĩn̪t̪eɾeˈsað̞as].

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 46623, this pair ranks #124,680 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interesaban vs interesadas

Shared letters: aeinrst. Private to "interesaban": b. Private to "interesadas": d.

"interesaban" · 11 letters · shape VCCVCVCVCVC  ·  "interesadas" · 11 letters · shape VCCVCVCVCVC

Known mistypes of this pair

  • interesaban ← inetresaban · innteresaban · inteersaban · intereasban · interesaabn · interesabann · interesabban · interesabna
  • interesadas ← inetresadas · innteresadas · inteersadas · intereasdas · interesaads · interesadass · interesaddas · interesadsa

Frequently Asked Questions

Can "interesaban" and "interesadas" be used interchangeably?
No - they are not even the same part of speech. "interesaban" is a verb and "interesadas" a participle, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "interesaban" or "interesadas" show up more?
"interesadas" is the more common of the two: it sits at frequency rank #10,517 in our Spanish list, against #36,106 for "interesaban". 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 "interesaban" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interesadas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #124,680 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interesaban" and "interesadas" 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 #124,680 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