evoluciónvsevolucionanWhich spelling fits?

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

Which to use

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

#2,165
“evolución” frequency rank
#33,116
“evolucionan” frequency rank
35281
confusion score

Side-by-Side Comparison

Feature evolución evolucionan
Definition La acción y el efecto de transformarse, desarrollarse, o moverse. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de evolucionar.

Where the eye mixes evolución and evolucionan

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. evolución runs 9 letters (VCVCVCVVC) against evolucionan's 11 (VCVCVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
evolución
11 ch
evolucionan

Visual trap between evolución and evolucionan

These two trip readers on the page rather than in the ear: evolución is [eβ̞oluˈsjõn] while evolucionan is [eβ̞oluˈsjonãn]. 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 35281, derived from the frequency rank of both members and their visual similarity.

evolución is recorded at frequency rank #2,165, classified as anoun, pronounced [eβ̞oluˈsjõn]. evolucionan is at rank #33,116, tagged as averb, pronounced [eβ̞oluˈsjonãn].

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 35281, this pair ranks #186,939 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of evolución vs evolucionan

Shared letters: ceilnouv. Private to "evolución": ó. Private to "evolucionan": a.

"evolución" · 9 letters · shape VCVCVCVVC  ·  "evolucionan" · 11 letters · shape VCVCVCVVCVC

Known mistypes of this pair

  • evolucionan ← ebolucionan · eovlucionan · evloucionan · evolcuionan · evollucionan · evoluccionan · evolucinoan · evolucioann

Frequently Asked Questions

Do "evolución" and "evolucionan" mean the same thing in a sentence?
No - they are not even the same part of speech. "evolución" is a noun and "evolucionan" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "evolución" or "evolucionan" show up more?
"evolución" is the more common of the two: it sits at frequency rank #2,165 in our Spanish list, against #33,116 for "evolucionan". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "evolución" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "evolucionan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #186,939 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "evolución" and "evolucionan" also get mixed up with nearby pairs, the highest-scored neighbour is "evolucionan vs evolucionaron". 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 #186,939 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