Which to use
“prolonga” and “prolongar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,520
- “prolonga” frequency rank
- #21,451
- “prolongar” frequency rank
- 49971
- confusion score
Side-by-Side Comparison
| Feature | prolonga | prolongar |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de prolongar o de prolongarse. | Hacer más largo espacialmente, alargar. |
Where the eye mixes prolonga and prolongar
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Visual trap between prolonga and prolongar
A purely visual mix-up. prolonga ([pɾoˈlõŋga]) and prolongar ([pɾolõŋˈgaɾ]) 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) - “prolonga” sits inside “prolongar”. Our composite confusion score for this pair is 49971, 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]. prolongar is at rank #21,451, tagged as averb, pronounced [pɾolõŋˈgaɾ].
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 49971, this pair ranks #105,827 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolonga vs prolongar
Shared letters: aglnopr. Private to "prolonga": -. Private to "prolongar": -.
"prolonga" · 8 letters · shape CCVCVCCV · "prolongar" · 9 letters · shape CCVCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "prolonga" and "prolongar" be used interchangeably?
Frequency check: "prolonga" vs "prolongar" - which ranks higher?
What to do next
Eye-level mix-up between "prolonga" and "prolongar" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "prolonga" 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 #105,827 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "prolonga" and "prolongar" 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 #105,827 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.