prolongavsprolongadaWhat's the difference?

Quick tell: prolonga is a verb, prolongada is an adjective, so they fill different roles in a sentence.

Which to use

“prolonga” is a verb and “prolongada” is an adjective - they look or sound alike but fill different roles in a sentence.

#28,520
“prolonga” frequency rank
#13,549
“prolongada” frequency rank
42069
confusion score

Side-by-Side Comparison

Feature prolonga prolongada
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de prolongar o de prolongarse. Forma del femenino de prolongado.

Where the eye mixes prolonga and prolongada

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

8 ch
prolonga
10 ch
prolongada

Why the eye confuses prolonga with prolongada

These two trip readers on the page rather than in the ear: prolonga is [pɾoˈlõŋga] while prolongada is [pɾolõŋˈgað̞a]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “prolonga” sits inside “prolongada”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42069, 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]. prolongada is at rank #13,549, tagged as anadj, pronounced [pɾolõŋˈgað̞a].

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 42069, this pair ranks #150,264 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prolonga vs prolongada

Shared letters: aglnopr. Private to "prolonga": -. Private to "prolongada": d.

"prolonga" · 8 letters · shape CCVCVCCV  ·  "prolongada" · 10 letters · shape CCVCVCCVCV

Known mistypes of this pair

  • prolongaporlonga · pprolonga · prloonga · prollonga · prolnoga · prologna · prolonag · prolongga
  • prolongadaporlongada · pprolongada · prloongada · prollongada · prolnogada · prolognada · prolonagda · prolongaad

Frequently Asked Questions

Do "prolonga" and "prolongada" mean the same thing in a sentence?
No - they are not even the same part of speech. "prolonga" is a verb and "prolongada" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "prolonga" or "prolongada" show up more?
"prolongada" is the more common of the two: it sits at frequency rank #13,549 in our Spanish list, against #28,520 for "prolonga". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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 "prolongada" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #150,264 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "prolonga" and "prolongada" 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 #150,264 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