confesiónvsconfesóTell them apart

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

Which to use

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

#7,692
“confesión” frequency rank
#11,007
“confesó” frequency rank
18699
confusion score

Side-by-Side Comparison

Feature confesión confesó
Definition Acción o efecto de confesar o de confesarse. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de confesar o de confesarse.

Where the eye mixes confesión and confesó

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

9 ch
confesión
7 ch
confesó

Visual trap between confesión and confesó

These two trip readers on the page rather than in the ear: confesión is [kõɱfeˈsjõn] while confesó is [kõɱfeˈso]. 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 18699, derived from the frequency rank of both members and their visual similarity.

confesión is recorded at frequency rank #7,692, classified as anoun, pronounced [kõɱfeˈsjõn]. confesó is at rank #11,007, tagged as averb, pronounced [kõɱfeˈso].

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 18699, this pair ranks #266,840 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of confesión vs confesó

Shared letters: cefnosó. Private to "confesión": i. Private to "confesó": -.

"confesión" · 9 letters · shape CVCCVCVVC  ·  "confesó" · 7 letters · shape CVCCVCV

Frequently Asked Questions

Is swapping "confesión" for "confesó" ever safe?
No - they are not even the same part of speech. "confesión" is a noun and "confesó" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "confesión" vs "confesó" - which ranks higher?
"confesión" is the more common of the two: it sits at frequency rank #7,692 in our Spanish list, against #11,007 for "confesó". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "confesión" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "confesó" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #266,840 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "confesión" and "confesó" also get mixed up with nearby pairs, the highest-scored neighbour is "confesó vs converso". Nearby pair

Confusion rank #266,840 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