Which to use
“prolongado” is an adjective and “prolongar” is a verb - they look or sound alike but fill different roles in a sentence.
- #15,657
- “prolongado” frequency rank
- #20,413
- “prolongar” frequency rank
- 36070
- confusion score
Side-by-Side Comparison
| Feature | prolongado | prolongar |
|---|---|---|
| Definition | que se prolongou | tornar mais longo; estender |
Where the eye mixes prolongado and prolongar
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. prolongado runs 10 letters (CCVCVCCVCV) against prolongar's 9 (CCVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between prolongado and prolongar
These two trip readers on the page rather than in the ear: prolongado is /pɾu.lõ.ˈɡa.du/ while prolongar is /pɾu.lõ.ˈɡaɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 36070, derived from the frequency rank of both members and their visual similarity.
prolongado is recorded at frequency rank #15,657, classified as anadj, pronounced /pɾu.lõ.ˈɡa.du/. prolongar is at rank #20,413, tagged as averb, pronounced /pɾu.lõ.ˈɡaɾ/.
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 36070, this pair ranks #30,822 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolongado vs prolongar
Shared letters: aglnopr. Private to "prolongado": d. Private to "prolongar": -.
"prolongado" · 10 letters · shape CCVCVCCVCV · "prolongar" · 9 letters · shape CCVCVCCVC
Known mistypes of this pair
- prolongado ← porlongado · pprolongado · prloongado · prollongado · prolnogado · prolognado · prolonagdo · prolongaddo
- prolongar ← porlongar · pprolongar · prloongar · prollongar · prolnogar · prolognar · prolonagr · prolongarr
Frequently Asked Questions
Is swapping "prolongado" for "prolongar" ever safe?
Which is more common, "prolongado" or "prolongar"?
What to do next
Eye-level mix-up between "prolongado" and "prolongar" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "prolongado" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongar" - compare definitions side by side with the headword page. Word entry
- This pair ranks #30,822 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- 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 #30,822 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.