cumplieronvscumpliránTell them apart

Which to use

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

#14,808
“cumplieron” frequency rank
#33,056
“cumplirán” frequency rank
47864
confusion score

Side-by-Side Comparison

Feature cumplieron cumplirán
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de cumplir. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del futuro de indicativo de cumplir.

Where the eye mixes cumplieron and cumplirán

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. cumplieron runs 10 letters (CVCCCVVCVC) against cumplirán's 9 (CVCCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
cumplieron
9 ch
cumplirán

Visual trap between cumplieron and cumplirán

A purely visual mix-up. cumplieron ([kũmˈpljeɾõn]) and cumplirán ([kũmpliˈɾãn]) 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 1 letter(s) in length. Our composite confusion score for this pair is 47864, derived from the frequency rank of both members and their visual similarity.

cumplieron is recorded at frequency rank #14,808, classified as averb, pronounced [kũmˈpljeɾõn]. cumplirán is at rank #33,056, tagged as averb, pronounced [kũmpliˈɾãn].

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 47864, this pair ranks #117,667 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cumplieron vs cumplirán

Shared letters: cilmnpru. Private to "cumplieron": eo. Private to "cumplirán": á.

"cumplieron" · 10 letters · shape CVCCCVVCVC  ·  "cumplirán" · 9 letters · shape CVCCCVCVC

Known mistypes of this pair

  • cumplieronccumplieron · cmuplieron · cumlpieron · cummplieron · cumpileron · cumpleiron · cumplieorn · cumplierno

Frequently Asked Questions

Is swapping "cumplieron" for "cumplirán" ever safe?
No. They are said differently ([kũmˈpljeɾõn] versus [kũmpliˈɾãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "cumplieron" or "cumplirán" show up more?
"cumplieron" is the more common of the two: it sits at frequency rank #14,808 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.

Useful next steps

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

  • Full dictionary entry for "cumplieron" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cumplirán" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #117,667 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cumplieron" and "cumplirán" 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 #117,667 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