acudívsacudíanTell them apart

Which to use

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

#48,780
“acudí” frequency rank
#34,860
“acudían” frequency rank
83640
confusion score

Side-by-Side Comparison

Feature acudí acudían
Definition Primera persona del singular (yo) del pretérito perfecto simple de indicativo de acudir. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de acudir.

Where the eye mixes acudí and acudían

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. acudí runs 5 letters (VCVCV) against acudían's 7 (VCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
acudí
7 ch
acudían

Visual trap between acudí and acudían

A purely visual mix-up. acudí ([akuˈð̞i]) and acudían ([akuˈð̞iãn]) 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 extra letter(s) - “acudí” sits inside “acudían”. Our composite confusion score for this pair is 83640, derived from the frequency rank of both members and their visual similarity.

acudí is recorded at frequency rank #48,780, classified as averb, pronounced [akuˈð̞i]. acudían is at rank #34,860, tagged as averb, pronounced [akuˈð̞iãn].

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 83640, this pair ranks #7,914 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of acudí vs acudían

Shared letters: acduí. Private to "acudí": -. Private to "acudían": n.

"acudí" · 5 letters · shape VCVCV  ·  "acudían" · 7 letters · shape VCVCVVC

Frequently Asked Questions

Is swapping "acudí" for "acudían" ever safe?
No. They are said differently ([akuˈð̞i] versus [akuˈð̞iãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "acudí" or "acudían" show up more?
"acudían" is the more common of the two: it sits at frequency rank #34,860 in our Spanish list, against #48,780 for "acudí". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "acudí" and "acudían" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "acudí" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acudían" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,914 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "acudí" and "acudían" also get mixed up with nearby pairs, the highest-scored neighbour is "acudí vs añadí". Nearby pair

Confusion rank #7,914 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