Which to use
“prolongar” and “propongan” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,451
- “prolongar” frequency rank
- #37,805
- “propongan” frequency rank
- 59256
- confusion score
Side-by-Side Comparison
| Feature | prolongar | propongan |
|---|---|---|
| Definition | Hacer más largo espacialmente, alargar. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de subjuntivo de proponer. |
Where the spellings diverge
Shared letters are muted; the letters that actually set prolongar and propongan apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. prolongar ([pɾolõŋˈgaɾ]) and propongan ([pɾoˈpõŋgãn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59256, 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]. propongan is at rank #37,805, tagged as averb, pronounced [pɾoˈpõŋgãn].
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 59256, this pair ranks #63,309 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of prolongar vs propongan
Shared letters: agnopr. Private to "prolongar": l. Private to "propongan": -.
"prolongar" · 9 letters · shape CCVCVCCVC · "propongan" · 9 letters · shape CCVCVCCVC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "prolongar" and "propongan" be used interchangeably?
Which is more common, "prolongar" or "propongan"?
Remembering prolongar vs propongan
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “prolongar” entry
- Browse more pairs most likely to be confused. Most confusable