impulsanvsimpulsarWhich spelling fits?

Which to use

“impulsan” and “impulsar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#23,819
“impulsan” frequency rank
#6,314
“impulsar” frequency rank
30133
confusion score

Side-by-Side Comparison

Feature impulsan impulsar
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de impulsar. Impeler.

Where the eye mixes impulsan and impulsar

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
impulsan
8 ch
impulsar

Look-alike desk: impulsan vs impulsar

A purely visual mix-up. impulsan ([ĩmˈpulsãn]) 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 a single letter - n in “impulsan” becomes r in “impulsar”. Our composite confusion score for this pair is 30133, derived from the frequency rank of both members and their visual similarity.

impulsan is recorded at frequency rank #23,819, classified as averb, pronounced [ĩmˈpulsãn]. 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 30133, this pair ranks #213,520 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of impulsan vs impulsar

Shared letters: ailmpsu. Private to "impulsan": n. Private to "impulsar": r.

"impulsan" · 8 letters · shape VCCVCCVC  ·  "impulsar" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • impulsanimmpulsan · implusan · imppulsan · impulasn · impullsan · impulsann · impulsna · impulssan
  • impulsarimmpulsar · implusar · imppulsar · impulasr · impullsar · impulsarr · impulsra · impulssar

Frequently Asked Questions

Is swapping "impulsan" for "impulsar" ever safe?
No. They are said differently ([ĩmˈpulsãn] versus [ĩmpulˈsaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "impulsan" vs "impulsar" - which ranks higher?
"impulsar" is the more common of the two: it sits at frequency rank #6,314 in our Spanish list, against #23,819 for "impulsan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "impulsan" and "impulsar" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "impulsan" 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 #213,520 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "impulsan" and "impulsar" also get mixed up with nearby pairs, the highest-scored neighbour is "impulsan vs imputan". 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 #213,520 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list