cumpliránvscumplirseTell them apart

Which to use

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

#33,056
“cumplirán” frequency rank
#18,210
“cumplirse” frequency rank
51266
confusion score

Side-by-Side Comparison

Feature cumplirán cumplirse
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del futuro de indicativo de cumplir. Llevarse a cabo, ejecutarse y hacerse realidad como se esperaba o se había ordenado.

Where the eye mixes cumplirán and cumplirse

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. cumplirán (CVCCCVCVC) and cumplirse (CVCCCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
cumplirán
9 ch
cumplirse

Why the eye confuses cumplirán with cumplirse

A purely visual mix-up. cumplirán ([kũmpliˈɾãn]) and cumplirse ([kũmˈpliɾse]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51266, derived from the frequency rank of both members and their visual similarity.

cumplirán is recorded at frequency rank #33,056, classified as averb, pronounced [kũmpliˈɾãn]. cumplirse is at rank #18,210, tagged as averb, pronounced [kũmˈpliɾse].

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 51266, this pair ranks #98,761 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cumplirán vs cumplirse

Shared letters: cilmpru. Private to "cumplirán": . Private to "cumplirse": es.

"cumplirán" · 9 letters · shape CVCCCVCVC  ·  "cumplirse" · 9 letters · shape CVCCCVCCV

Known mistypes of this pair

  • cumplirseccumplirse · cmuplirse · cumlpirse · cummplirse · cumpilrse · cumplirce · cumplires · cumplirrse

Frequently Asked Questions

Is swapping "cumplirán" for "cumplirse" ever safe?
No. They are said differently ([kũmpliˈɾãn] versus [kũmˈpliɾse]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cumplirán" or "cumplirse"?
"cumplirse" is the more common of the two: it sits at frequency rank #18,210 in our Spanish list, against #33,056 for "cumplirán". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "cumplirán" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cumplirse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #98,761 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cumplirán" and "cumplirse" also get mixed up with nearby pairs, the highest-scored neighbour is "cumplirán vs cumpliré". 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 #98,761 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