afectanvsafectaronConfusable pair

Which to use

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

#5,063
“afectan” frequency rank
#23,291
“afectaron” frequency rank
28354
confusion score

Side-by-Side Comparison

Feature afectan afectaron
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de afectar. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de afectar.

Where the eye mixes afectan and afectaron

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
afectan
9 ch
afectaron

Why the eye confuses afectan with afectaron

A purely visual mix-up. afectan ([aˈfekt̪ãn]) and afectaron ([afekˈt̪aɾõn]) 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 2 letter(s) in length. Our composite confusion score for this pair is 28354, derived from the frequency rank of both members and their visual similarity.

afectan is recorded at frequency rank #5,063, classified as averb, pronounced [aˈfekt̪ãn]. afectaron is at rank #23,291, tagged as averb, pronounced [afekˈt̪aɾõn].

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 28354, this pair ranks #222,446 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of afectan vs afectaron

Shared letters: acefnt. Private to "afectan": -. Private to "afectaron": or.

"afectan" · 7 letters · shape VCVCCVC  ·  "afectaron" · 9 letters · shape VCVCCVCVC

Known mistypes of this pair

  • afectanaefctan · afcetan · afecatn · afecctan · afectann · afectna · afecttan · afetcan
  • afectaronaefctaron · afcetaron · afecatron · afecctaron · afectaorn · afectarno · afectaronn · afectarron

Frequently Asked Questions

Is swapping "afectan" for "afectaron" ever safe?
No. They are said differently ([aˈfekt̪ãn] versus [afekˈt̪aɾõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "afectan" or "afectaron"?
"afectan" is the more common of the two: it sits at frequency rank #5,063 in our Spanish list, against #23,291 for "afectaron". 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 "afectan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "afectaron" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #222,446 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "afectan" and "afectaron" also get mixed up with nearby pairs, the highest-scored neighbour is "afectaron vs asentaron". 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 #222,446 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