afectarvsafectenWhich spelling fits?

Which to use

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

#5,912
“afectar” frequency rank
#18,729
“afecten” frequency rank
24641
confusion score

Side-by-Side Comparison

Feature afectar afecten
Definition Producir un efecto, cambio o alteración en algo o en alguien. Modificar, influir, alterar o mudar su forma o comportamiento. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de subjuntivo de afectar.

Where the eye mixes afectar and afecten

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
afectar
7 ch
afecten

Visual trap between afectar and afecten

A purely visual mix-up. afectar ([afekˈt̪aɾ]) and afecten ([aˈfekt̪ẽn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 24641, derived from the frequency rank of both members and their visual similarity.

afectar is recorded at frequency rank #5,912, classified as averb, pronounced [afekˈt̪aɾ]. afecten is at rank #18,729, tagged as averb, pronounced [aˈfekt̪ẽn].

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 24641, this pair ranks #240,205 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of afectar vs afecten

Shared letters: aceft. Private to "afectar": r. Private to "afecten": n.

"afectar" · 7 letters · shape VCVCCVC  ·  "afecten" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • afectaraefctar · afcetar · afecatr · afecctar · afectarr · afectra · afecttar · afetcar
  • afectenaefcten · afceten · afeccten · afecetn · afectenn · afectne · afectten · afetcen

Frequently Asked Questions

Do "afectar" and "afecten" mean the same thing in a sentence?
No. They are said differently ([afekˈt̪aɾ] versus [aˈfekt̪ẽn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "afectar" vs "afecten" - which ranks higher?
"afectar" is the more common of the two: it sits at frequency rank #5,912 in our Spanish list, against #18,729 for "afecten". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "afectar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "afecten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,205 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "afectar" and "afecten" 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 #240,205 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