interésvsinteresasWhich spelling fits?

Quick tell: interés is a noun, interesas is a verb, so they fill different roles in a sentence.

Which to use

“interés” is a noun and “interesas” is a verb - they look or sound alike but fill different roles in a sentence.

#686
“interés” frequency rank
#47,887
“interesas” frequency rank
48573
confusion score

Side-by-Side Comparison

Feature interés interesas
Definition Preferencia o inclinación que se siente por algo. Segunda persona del singular (tú) del presente de indicativo de interesar o de interesarse.

Where the eye mixes interés and interesas

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. interés runs 7 letters (VCCVCVC) against interesas's 9 (VCCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
interés
9 ch
interesas

Why the eye confuses interés with interesas

These two trip readers on the page rather than in the ear: interés is [ĩn̪t̪eˈɾes] while interesas is [ĩn̪t̪eˈɾesas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48573, derived from the frequency rank of both members and their visual similarity.

interés is recorded at frequency rank #686, classified as anoun, pronounced [ĩn̪t̪eˈɾes]. interesas is at rank #47,887, tagged as averb, pronounced [ĩn̪t̪eˈɾesas].

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 48573, this pair ranks #113,731 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interés vs interesas

Shared letters: einrst. Private to "interés": é. Private to "interesas": a.

"interés" · 7 letters · shape VCCVCVC  ·  "interesas" · 9 letters · shape VCCVCVCVC

Known mistypes of this pair

  • interesas ← inetresas · innteresas · inteersas · intereass · interesass · interessa · interessas · interresas

Frequently Asked Questions

Is swapping "interés" for "interesas" ever safe?
No - they are not even the same part of speech. "interés" is a noun and "interesas" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "interés" or "interesas" show up more?
"interés" is the more common of the two: it sits at frequency rank #686 in our Spanish list, against #47,887 for "interesas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "interés" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interesas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #113,731 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interés" and "interesas" also get mixed up with nearby pairs, the highest-scored neighbour is "interesas vs intereso". 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 #113,731 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