autoríavsautorizaWhich spelling fits?

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

Which to use

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

#14,295
“autoría” frequency rank
#13,848
“autoriza” frequency rank
28143
confusion score

Side-by-Side Comparison

Feature autoría autoriza
Definition Condición o cualidad de autor Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de autorizar.

Where the eye mixes autoría and autoriza

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. autoría runs 7 letters (VVCVCVV) against autoriza's 8 (VVCVCVCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
autoría
8 ch
autoriza

Look-alike desk: autoría vs autoriza

These two trip readers on the page rather than in the ear: autoría is [awt̪oˈɾia] while autoriza is [awt̪oˈɾisa]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 28143, derived from the frequency rank of both members and their visual similarity.

autoría is recorded at frequency rank #14,295, classified as anoun, pronounced [awt̪oˈɾia]. autoriza is at rank #13,848, tagged as averb, pronounced [awt̪oˈɾisa].

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 28143, this pair ranks #223,409 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of autoría vs autoriza

Shared letters: aortu. Private to "autoría": í. Private to "autoriza": iz.

"autoría" · 7 letters · shape VVCVCVV  ·  "autoriza" · 8 letters · shape VVCVCVCV

Known mistypes of this pair

  • autoriza ← atuoriza · auotriza · autoirza · autoriaz · autorizza · autorriza · autorzia · autroiza

Frequently Asked Questions

Can "autoría" and "autoriza" be used interchangeably?
No - they are not even the same part of speech. "autoría" is a noun and "autoriza" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "autoría" or "autoriza"?
"autoriza" is the more common of the two: it sits at frequency rank #13,848 in our Spanish list, against #14,295 for "autoría". 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 "autoría" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "autoriza" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #223,409 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "autoría" and "autoriza" also get mixed up with nearby pairs, the highest-scored neighbour is "autoriza vs autorizaba". 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 #223,409 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