preocuparvspreocuparonTell them apart

Which to use

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

#16,948
“preocupar” frequency rank
#43,783
“preocuparon” frequency rank
60731
confusion score

Side-by-Side Comparison

Feature preocupar preocuparon
Definition Mantener fijo el pensamiento en un asunto o suceso negativo o perjudicial, que causa temor o inquietud. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de preocupar o de preocuparse.

Where the eye mixes preocupar and preocuparon

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. preocupar runs 9 letters (CCVVCVCVC) against preocuparon's 11 (CCVVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
preocupar
11 ch
preocuparon

Why the eye confuses preocupar with preocuparon

A purely visual mix-up. preocupar ([pɾeokuˈpaɾ]) and preocuparon ([pɾeokuˈpaɾõn]) 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) - “preocupar” sits inside “preocuparon”. Our composite confusion score for this pair is 60731, derived from the frequency rank of both members and their visual similarity.

preocupar is recorded at frequency rank #16,948, classified as averb, pronounced [pɾeokuˈpaɾ]. preocuparon is at rank #43,783, tagged as averb, pronounced [pɾeokuˈpaɾõn].

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 60731, this pair ranks #57,920 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of preocupar vs preocuparon

Shared letters: aceopru. Private to "preocupar": -. Private to "preocuparon": n.

"preocupar" · 9 letters · shape CCVVCVCVC  ·  "preocuparon" · 11 letters · shape CCVVCVCVCVC

Known mistypes of this pair

  • preocupar ← perocupar · ppreocupar · precoupar · preoccupar · preocpuar · preocuapr · preocuparr · preocuppar
  • preocuparon ← perocuparon · ppreocuparon · precouparon · preoccuparon · preocpuaron · preocuapron · preocupaorn · preocuparno

Frequently Asked Questions

Is swapping "preocupar" for "preocuparon" ever safe?
No. They are said differently ([pɾeokuˈpaɾ] versus [pɾeokuˈpaɾõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "preocupar" vs "preocuparon" - which ranks higher?
"preocupar" is the more common of the two: it sits at frequency rank #16,948 in our Spanish list, against #43,783 for "preocuparon". 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 "preocupar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "preocuparon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,920 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "preocupar" and "preocuparon" also get mixed up with nearby pairs, the highest-scored neighbour is "preocupaban vs preocuparon". 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 #57,920 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