cooperavscooperanWhich spelling fits?

Which to use

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

#42,363
“coopera” frequency rank
#47,032
“cooperan” frequency rank
89395
confusion score

Side-by-Side Comparison

Feature coopera cooperan
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de cooperar. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de cooperar.

Where the eye mixes coopera and cooperan

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. coopera runs 7 letters (CVVCVCV) against cooperan's 8 (CVVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
coopera
8 ch
cooperan

Look-alike desk: coopera vs cooperan

A purely visual mix-up. coopera ([kooˈpeɾa]) and cooperan ([kooˈpeɾãn]) 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 extra letter(s) - “coopera” sits inside “cooperan”. Our composite confusion score for this pair is 89395, derived from the frequency rank of both members and their visual similarity.

coopera is recorded at frequency rank #42,363, classified as averb, pronounced [kooˈpeɾa]. cooperan is at rank #47,032, tagged as averb, pronounced [kooˈpeɾãn].

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 89395, this pair ranks #3,164 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of coopera vs cooperan

Shared letters: aceopr. Private to "coopera": -. Private to "cooperan": n.

"coopera" · 7 letters · shape CVVCVCV  ·  "cooperan" · 8 letters · shape CVVCVCVC

Known mistypes of this pair

  • coopera ← ccoopera · cooepra · coopear · cooppera · cooprea · copera · copoera · ocopera
  • cooperan ← ccooperan · cooepran · coopearn · cooperann · cooperna · cooperran · coopperan · cooprean

Frequently Asked Questions

Do "coopera" and "cooperan" mean the same thing in a sentence?
No. They are said differently ([kooˈpeɾa] versus [kooˈpeɾãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "coopera" or "cooperan"?
"coopera" is the more common of the two: it sits at frequency rank #42,363 in our Spanish list, against #47,032 for "cooperan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "coopera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cooperan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,164 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "coopera" and "cooperan" also get mixed up with nearby pairs, the highest-scored neighbour is "comerán vs cooperan". 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 #3,164 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