interesanvsinteresaronTell them apart

Which to use

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

#8,275
“interesan” frequency rank
#43,072
“interesaron” frequency rank
51347
confusion score

Side-by-Side Comparison

Feature interesan interesaron
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de interesar o de interesarse. 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 interesan and interesaron

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

9 ch
interesan
11 ch
interesaron

Visual trap between interesan and interesaron

A purely visual mix-up. interesan ([ĩn̪t̪eˈɾesãn]) and interesaron ([ĩn̪t̪eɾeˈsaɾõn]) 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 letter(s) in length. Our composite confusion score for this pair is 51347, derived from the frequency rank of both members and their visual similarity.

interesan is recorded at frequency rank #8,275, classified as averb, pronounced [ĩn̪t̪eˈɾesãn]. 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 51347, this pair ranks #98,345 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interesan vs interesaron

Shared letters: aeinrst. Private to "interesan": -. Private to "interesaron": o.

"interesan" · 9 letters · shape VCCVCVCVC  ·  "interesaron" · 11 letters · shape VCCVCVCVCVC

Known mistypes of this pair

  • interesan ← inetresan · innteresan · inteersan · intereasn · interesann · interesna · interessan · interresan
  • interesaron ← inetresaron · innteresaron · inteersaron · intereasron · interesaorn · interesarno · interesaronn · interesarron

Frequently Asked Questions

Do "interesan" and "interesaron" mean the same thing in a sentence?
No. They are said differently ([ĩn̪t̪eˈɾesãn] versus [ĩn̪t̪eɾeˈsaɾõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "interesan" or "interesaron" show up more?
"interesan" is the more common of the two: it sits at frequency rank #8,275 in our Spanish list, against #43,072 for "interesaron". 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 "interesan" 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 #98,345 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interesan" 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 #98,345 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