colusiónvsconclusiónWhich spelling fits?

Which to use

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

#39,118
“colusión” frequency rank
#2,972
“conclusión” frequency rank
42090
confusion score

Side-by-Side Comparison

Feature colusión conclusión
Definition Acción o efecto de coludir; convenio secreto e ilícito entre dos o más sujetos, con objeto de perjudicar a un tercero. Acción y efecto de concluir

Where the eye mixes colusión and conclusión

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. colusión runs 8 letters (CVCVCVVC) against conclusión's 10 (CVCCCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
colusión
10 ch
conclusión

Visual trap between colusión and conclusión

A purely visual mix-up. colusión ([koluˈsjõn]) and conclusión ([kõŋkluˈsjõn]) 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 42090, derived from the frequency rank of both members and their visual similarity.

colusión is recorded at frequency rank #39,118, classified as anoun, pronounced [koluˈsjõn]. conclusión is at rank #2,972, tagged as anoun, pronounced [kõŋkluˈsjõn].

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 42090, this pair ranks #150,151 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of colusión vs conclusión

Shared letters: cilnosuó. Private to "colusión": -. Private to "conclusión": -.

"colusión" · 8 letters · shape CVCVCVVC  ·  "conclusión" · 10 letters · shape CVCCCVCVVC

Frequently Asked Questions

Can "colusión" and "conclusión" be used interchangeably?
No. They are said differently ([koluˈsjõn] versus [kõŋkluˈsjõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "colusión" or "conclusión" show up more?
"conclusión" is the more common of the two: it sits at frequency rank #2,972 in our Spanish list, against #39,118 for "colusión". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "colusión" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "conclusión" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #150,151 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "colusión" and "conclusión" also get mixed up with nearby pairs, the highest-scored neighbour is "colusión vs confusion". Nearby pair

Confusion rank #150,151 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