avanzadovsavanzaronWhich spelling fits?

Quick tell: avanzado is a adjective, avanzaron is a verb, so they fill different roles in a sentence.

Which to use

“avanzado” is an adjective and “avanzaron” is a verb - they look or sound alike but fill different roles in a sentence.

#6,620
“avanzado” frequency rank
#34,452
“avanzaron” frequency rank
41072
confusion score

Side-by-Side Comparison

Feature avanzado avanzaron
Definition Que adelanta, que progresa, que pronto quedará terminado. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de avanzar.

Where the eye mixes avanzado and avanzaron

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. avanzado runs 8 letters (VCVCCVCV) against avanzaron's 9 (VCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
avanzado
9 ch
avanzaron

Why the eye confuses avanzado with avanzaron

These two trip readers on the page rather than in the ear: avanzado is [aβ̞ãnˈsað̞o] while avanzaron is [aβ̞ãnˈsaɾõn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 41072, derived from the frequency rank of both members and their visual similarity.

avanzado is recorded at frequency rank #6,620, classified as anadj, pronounced [aβ̞ãnˈsað̞o]. avanzaron is at rank #34,452, tagged as averb, pronounced [aβ̞ãnˈsaɾõn].

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 41072, this pair ranks #155,649 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of avanzado vs avanzaron

Shared letters: anovz. Private to "avanzado": d. Private to "avanzaron": r.

"avanzado" · 8 letters · shape VCVCCVCV  ·  "avanzaron" · 9 letters · shape VCVCCVCVC

Known mistypes of this pair

  • avanzado ← aavnzado · abanzado · avanazdo · avannzado · avanzaddo · avanzaod · avanzdao · avanzzado
  • avanzaron ← aavnzaron · abanzaron · avanazron · avannzaron · avanzaorn · avanzarno · avanzaronn · avanzarron

Frequently Asked Questions

Do "avanzado" and "avanzaron" mean the same thing in a sentence?
No - they are not even the same part of speech. "avanzado" is an adjective and "avanzaron" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "avanzado" or "avanzaron" show up more?
"avanzado" is the more common of the two: it sits at frequency rank #6,620 in our Spanish list, against #34,452 for "avanzaron". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "avanzado" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avanzaron" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #155,649 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "avanzado" and "avanzaron" also get mixed up with nearby pairs, the highest-scored neighbour is "avanzaban vs avanzaron". 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 #155,649 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