completarvscompletarseWhat's the difference?

Which to use

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

#4,586
“completar” frequency rank
#41,253
“completarse” frequency rank
45839
confusion score

Side-by-Side Comparison

Feature completar completarse
Definition Hacer que algo llegue hasta su plena realización, que quede cabalmente terminado. Forma pronominal de completar.

Where the eye mixes completar and completarse

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

9 ch
completar
11 ch
completarse

Visual trap between completar and completarse

A purely visual mix-up. completar ([kõmpleˈt̪aɾ]) and completarse ([kõmpleˈt̪aɾse]) 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) - “completar” sits inside “completarse”. Our composite confusion score for this pair is 45839, derived from the frequency rank of both members and their visual similarity.

completar is recorded at frequency rank #4,586, classified as averb, pronounced [kõmpleˈt̪aɾ]. completarse is at rank #41,253, tagged as averb, pronounced [kõmpleˈt̪aɾse].

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 45839, this pair ranks #129,160 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of completar vs completarse

Shared letters: acelmoprt. Private to "completar": -. Private to "completarse": s.

"completar" · 9 letters · shape CVCCCVCVC  ·  "completarse" · 11 letters · shape CVCCCVCVCCV

Known mistypes of this pair

  • completar ← ccompletar · cmopletar · comlpetar · commpletar · compeltar · compleatr · completarr · completra
  • completarse ← ccompletarse · cmopletarse · comlpetarse · commpletarse · compeltarse · compleatrse · completarce · completares

Frequently Asked Questions

Is swapping "completar" for "completarse" ever safe?
No. They are said differently ([kõmpleˈt̪aɾ] versus [kõmpleˈt̪aɾse]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "completar" or "completarse"?
"completar" is the more common of the two: it sits at frequency rank #4,586 in our Spanish list, against #41,253 for "completarse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "completar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "completarse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #129,160 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "completar" and "completarse" also get mixed up with nearby pairs, the highest-scored neighbour is "completarse vs complicarse". 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 #129,160 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