funcionanvsfusionanTell them apart

Which to use

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

#4,605
“funcionan” frequency rank
#47,160
“fusionan” frequency rank
51765
confusion score

Side-by-Side Comparison

Feature funcionan fusionan
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de funcionar. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de fusionar.

Where the eye mixes funcionan and fusionan

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. funcionan runs 9 letters (CVCCVVCVC) against fusionan's 8 (CVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
funcionan
8 ch
fusionan

Look-alike desk: funcionan vs fusionan

A purely visual mix-up. funcionan ([fũnˈsjonãn]) and fusionan ([fuˈsjonãn]) 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 51765, derived from the frequency rank of both members and their visual similarity.

funcionan is recorded at frequency rank #4,605, classified as averb, pronounced [fũnˈsjonãn]. fusionan is at rank #47,160, tagged as averb, pronounced [fuˈsjonãn].

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 51765, this pair ranks #96,169 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of funcionan vs fusionan

Shared letters: afinou. Private to "funcionan": c. Private to "fusionan": s.

"funcionan" · 9 letters · shape CVCCVVCVC  ·  "fusionan" · 8 letters · shape CVCVVCVC

Known mistypes of this pair

  • funcionan ← ffuncionan · fnucionan · fucnionan · funccionan · funcinoan · funcioann · funcionann · funcionnan
  • fusionan ← ffusionan · fsuionan · fucionan · fuisonan · fusinoan · fusioann · fusionann · fusionnan

Frequently Asked Questions

Is swapping "funcionan" for "fusionan" ever safe?
No. They are said differently ([fũnˈsjonãn] versus [fuˈsjonãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "funcionan" vs "fusionan" - which ranks higher?
"funcionan" is the more common of the two: it sits at frequency rank #4,605 in our Spanish list, against #47,160 for "fusionan". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "funcionan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fusionan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #96,169 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "funcionan" and "fusionan" also get mixed up with nearby pairs, the highest-scored neighbour is "fusiona vs fusionan". 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 #96,169 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