afectavsafectadoWhat's the difference?

Quick tell: afecta is a verb, afectado is an adjective, so they fill different roles in a sentence.

Which to use

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

#2,643
“afecta” frequency rank
#5,576
“afectado” frequency rank
8219
confusion score

Side-by-Side Comparison

Feature afecta afectado
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de afectar. afectado ¦ plural: afectados ¦ femenino: afectada ¦ femenino plural: afectadas

Where the eye mixes afecta and afectado

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
afecta
8 ch
afectado

Look-alike desk: afecta vs afectado

These two trip readers on the page rather than in the ear: afecta is [aˈfekt̪a] while afectado is [afekˈt̪að̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “afecta” sits inside “afectado”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 8219, derived from the frequency rank of both members and their visual similarity.

afecta is recorded at frequency rank #2,643, classified as averb, pronounced [aˈfekt̪a]. afectado is at rank #5,576, tagged as anadj, pronounced [afekˈt̪að̞o].

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 8219, this pair ranks #305,660 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of afecta vs afectado

Shared letters: aceft. Private to "afecta": -. Private to "afectado": do.

"afecta" · 6 letters · shape VCVCCV  ·  "afectado" · 8 letters · shape VCVCCVCV

Known mistypes of this pair

  • afectaaefcta · afceta · afecat · afeccta · afectta · afetca · affecta · faecta
  • afectadoaefctado · afcetado · afecatdo · afecctado · afectaddo · afectaod · afectdao · afecttado

Frequently Asked Questions

Is swapping "afecta" for "afectado" ever safe?
No - they are not even the same part of speech. "afecta" is a verb and "afectado" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "afecta" or "afectado" show up more?
"afecta" is the more common of the two: it sits at frequency rank #2,643 in our Spanish list, against #5,576 for "afectado". 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 "afecta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "afectado" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #305,660 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "afecta" and "afectado" also get mixed up with nearby pairs, the highest-scored neighbour is "afectado vs atestado". 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 #305,660 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