Which to use
“prolonga” is a verb and “prolongado” is an adjective - they look or sound alike but fill different roles in a sentence.
- #28,520
- “prolonga” frequency rank
- #13,992
- “prolongado” frequency rank
- 42512
- confusion score
Side-by-Side Comparison
| Feature | prolonga | prolongado |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de prolongar o de prolongarse. | Que apreciablemente es más largo que ancho. |
Where the eye mixes prolonga and prolongado
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. prolonga runs 8 letters (CCVCVCCV) against prolongado's 10 (CCVCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between prolonga and prolongado
These two trip readers on the page rather than in the ear: prolonga is [pɾoˈlõŋga] while prolongado is [pɾolõŋˈgað̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “prolonga” sits inside “prolongado”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42512, derived from the frequency rank of both members and their visual similarity.
prolonga is recorded at frequency rank #28,520, classified as averb, pronounced [pɾoˈlõŋga]. prolongado is at rank #13,992, tagged as anadj, pronounced [pɾolõŋˈgað̞o].
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 42512, this pair ranks #147,785 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolonga vs prolongado
Shared letters: aglnopr. Private to "prolonga": -. Private to "prolongado": d.
"prolonga" · 8 letters · shape CCVCVCCV · "prolongado" · 10 letters · shape CCVCVCCVCV
Known mistypes of this pair
- prolonga ← porlonga · pprolonga · prloonga · prollonga · prolnoga · prologna · prolonag · prolongga
- prolongado ← porlongado · pprolongado · prloongado · prollongado · prolnogado · prolognado · prolonagdo · prolongaddo
Frequently Asked Questions
Do "prolonga" and "prolongado" mean the same thing in a sentence?
In ordinary Spanish text, does "prolonga" or "prolongado" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "prolonga" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongado" - compare definitions side by side with the headword page. Word entry
- This pair ranks #147,785 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "prolonga" and "prolongado" also get mixed up with nearby pairs, the highest-scored neighbour is "prolonga vs propongan". 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 #147,785 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.