interesarvsinteresarseWhich spelling fits?

Which to use

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

#15,130
“interesar” frequency rank
#24,194
“interesarse” frequency rank
39324
confusion score

Side-by-Side Comparison

Feature interesar interesarse
Definition Inspirar interés; predisponer en favor. Tomar interés por alguna persona o cosa.

Where the eye mixes interesar and interesarse

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

9 ch
interesar
11 ch
interesarse

Visual trap between interesar and interesarse

A purely visual mix-up. interesar ([ĩn̪t̪eɾeˈsaɾ]) and interesarse ([ĩn̪t̪eɾeˈsaɾse]) 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) - “interesar” sits inside “interesarse”. Our composite confusion score for this pair is 39324, derived from the frequency rank of both members and their visual similarity.

interesar is recorded at frequency rank #15,130, classified as averb, pronounced [ĩn̪t̪eɾeˈsaɾ]. interesarse is at rank #24,194, tagged as averb, pronounced [ĩn̪t̪eɾeˈsaɾse].

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 39324, this pair ranks #165,157 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interesar vs interesarse

Shared letters: aeinrst. Private to "interesar": -. Private to "interesarse": -.

"interesar" · 9 letters · shape VCCVCVCVC  ·  "interesarse" · 11 letters · shape VCCVCVCVCCV

Known mistypes of this pair

  • interesarinetresar · innteresar · inteersar · intereasr · interesarr · interesra · interessar · interresar
  • interesarseinetresarse · innteresarse · inteersarse · intereasrse · interesarce · interesares · interesarrse · interesarsse

Frequently Asked Questions

Is swapping "interesar" for "interesarse" ever safe?
No. They are said differently ([ĩn̪t̪eɾeˈsaɾ] versus [ĩn̪t̪eɾeˈsaɾse]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "interesar" or "interesarse"?
"interesar" is the more common of the two: it sits at frequency rank #15,130 in our Spanish list, against #24,194 for "interesarse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "interesar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interesarse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #165,157 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interesar" and "interesarse" also get mixed up with nearby pairs, the highest-scored neighbour is "interesarse vs interesas". 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 #165,157 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