afectavsafectarWhich spelling fits?

Which to use

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

#2,643
“afecta” frequency rank
#5,912
“afectar” frequency rank
8555
confusion score

Side-by-Side Comparison

Feature afecta afectar
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de afectar. Producir un efecto, cambio o alteración en algo o en alguien. Modificar, influir, alterar o mudar su forma o comportamiento.

Where the eye mixes afecta and afectar

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

6 ch
afecta
7 ch
afectar

Visual trap between afecta and afectar

A purely visual mix-up. afecta ([aˈfekt̪a]) and afectar ([afekˈt̪aɾ]) 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 1 extra letter(s) - “afecta” sits inside “afectar”. Our composite confusion score for this pair is 8555, 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]. afectar is at rank #5,912, tagged as averb, pronounced [afekˈt̪aɾ].

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 8555, this pair ranks #304,643 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of afecta vs afectar

Shared letters: aceft. Private to "afecta": -. Private to "afectar": r.

"afecta" · 6 letters · shape VCVCCV  ·  "afectar" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • afectaaefcta · afceta · afecat · afeccta · afectta · afetca · affecta · faecta
  • afectaraefctar · afcetar · afecatr · afecctar · afectarr · afectra · afecttar · afetcar

Frequently Asked Questions

Can "afecta" and "afectar" be used interchangeably?
No. They are said differently ([aˈfekt̪a] versus [afekˈt̪aɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "afecta" vs "afectar" - which ranks higher?
"afecta" is the more common of the two: it sits at frequency rank #2,643 in our Spanish list, against #5,912 for "afectar". 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 "afecta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "afectar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #304,643 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "afecta" and "afectar" also get mixed up with nearby pairs, the highest-scored neighbour is "afectar vs afectarán". 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 #304,643 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