Which to use
“impulsa” and “impulsar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,403
- “impulsa” frequency rank
- #6,314
- “impulsar” frequency rank
- 18717
- confusion score
Side-by-Side Comparison
| Feature | impulsa | impulsar |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de impulsar. | Impeler. |
Where the eye mixes impulsa and impulsar
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Why the eye confuses impulsa with impulsar
A purely visual mix-up. impulsa ([ĩmˈpulsa]) and impulsar ([ĩmpulˈsaɾ]) 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) - “impulsa” sits inside “impulsar”. Our composite confusion score for this pair is 18717, derived from the frequency rank of both members and their visual similarity.
impulsa is recorded at frequency rank #12,403, classified as averb, pronounced [ĩmˈpulsa]. impulsar is at rank #6,314, tagged as averb, pronounced [ĩmpulˈsaɾ].
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 18717, this pair ranks #266,760 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of impulsa vs impulsar
Shared letters: ailmpsu. Private to "impulsa": -. Private to "impulsar": r.
"impulsa" · 7 letters · shape VCCVCCV · "impulsar" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "impulsa" for "impulsar" ever safe?
Frequency check: "impulsa" vs "impulsar" - which ranks higher?
After this comparison
Eye-level mix-up between "impulsa" and "impulsar" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "impulsa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "impulsar" - compare definitions side by side with the headword page. Word entry
- This pair ranks #266,760 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "impulsa" and "impulsar" also get mixed up with nearby pairs, the highest-scored neighbour is "impulsa vs impulsora". 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 #266,760 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.