Which to use
“prolongar” and “proponga” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,451
- “prolongar” frequency rank
- #23,561
- “proponga” frequency rank
- 45012
- confusion score
Side-by-Side Comparison
| Feature | prolongar | proponga |
|---|---|---|
| Definition | Hacer más largo espacialmente, alargar. | Primera persona del singular (yo) del presente de subjuntivo de proponer. |
Where the eye mixes prolongar and proponga
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Why the eye confuses prolongar with proponga
A purely visual mix-up. prolongar ([pɾolõŋˈgaɾ]) and proponga ([pɾoˈpõŋga]) 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 45012, derived from the frequency rank of both members and their visual similarity.
prolongar is recorded at frequency rank #21,451, classified as averb, pronounced [pɾolõŋˈgaɾ]. proponga is at rank #23,561, tagged as averb, pronounced [pɾoˈpõŋga].
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 45012, this pair ranks #133,854 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolongar vs proponga
Shared letters: agnopr. Private to "prolongar": l. Private to "proponga": -.
"prolongar" · 9 letters · shape CCVCVCCVC · "proponga" · 8 letters · shape CCVCVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "prolongar" and "proponga" mean the same thing in a sentence?
In ordinary Spanish text, does "prolongar" or "proponga" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "prolongar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "proponga" - compare definitions side by side with the headword page. Word entry
- This pair ranks #133,854 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "prolongar" and "proponga" also get mixed up with nearby pairs, the highest-scored neighbour is "propensa vs proponga". 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 #133,854 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.