preocuparvspreocuparseWhat's the difference?

Which to use

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

#16,948
“preocupar” frequency rank
#6,719
“preocuparse” frequency rank
23667
confusion score

Side-by-Side Comparison

Feature preocupar preocuparse
Definition Mantener fijo el pensamiento en un asunto o suceso negativo o perjudicial, que causa temor o inquietud. Tener el espíritu absorto en una inquietud, temor o desasosiego.

Where the eye mixes preocupar and preocuparse

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

9 ch
preocupar
11 ch
preocuparse

Why the eye confuses preocupar with preocuparse

A purely visual mix-up. preocupar ([pɾeokuˈpaɾ]) and preocuparse ([pɾeokuˈpaɾse]) 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 “preocuparse”. Our composite confusion score for this pair is 23667, 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]. preocuparse is at rank #6,719, tagged as averb, pronounced [pɾeokuˈpaɾse].

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 23667, this pair ranks #244,724 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of preocupar vs preocuparse

Shared letters: aceopru. Private to "preocupar": -. Private to "preocuparse": s.

"preocupar" · 9 letters · shape CCVVCVCVC  ·  "preocuparse" · 11 letters · shape CCVVCVCVCCV

Known mistypes of this pair

  • preocupar ← perocupar · ppreocupar · precoupar · preoccupar · preocpuar · preocuapr · preocuparr · preocuppar
  • preocuparse ← perocuparse · ppreocuparse · precouparse · preoccuparse · preocpuarse · preocuaprse · preocuparce · preocupares

Frequently Asked Questions

Is swapping "preocupar" for "preocuparse" ever safe?
No. They are said differently ([pɾeokuˈpaɾ] versus [pɾeokuˈpaɾse]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "preocupar" vs "preocuparse" - which ranks higher?
"preocuparse" is the more common of the two: it sits at frequency rank #6,719 in our Spanish list, against #16,948 for "preocupar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "preocupar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "preocuparse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #244,724 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "preocupar" and "preocuparse" also get mixed up with nearby pairs, the highest-scored neighbour is "preocupar 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 #244,724 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