impuestovsimpulsoTell them apart

Which to use

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

#2,029
“impuesto” frequency rank
#4,344
“impulso” frequency rank
6373
confusion score

Side-by-Side Comparison

Feature impuesto impulso
Definition Cuota obligatoria pagada por individuos o instituciones a un gobierno central o local. Acción o efecto de impulsar.

Where the eye mixes impuesto and impulso

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. impuesto runs 8 letters (VCCVVCCV) against impulso's 7 (VCCVCCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
impuesto
7 ch
impulso

Why the eye confuses impuesto with impulso

A purely visual mix-up. impuesto ([ĩmˈpwest̪o]) and impulso ([ĩmˈpulso]) 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 6373, derived from the frequency rank of both members and their visual similarity.

impuesto is recorded at frequency rank #2,029, classified as anoun, pronounced [ĩmˈpwest̪o]. impulso is at rank #4,344, tagged as anoun, pronounced [ĩmˈpulso].

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 6373, this pair ranks #310,963 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of impuesto vs impulso

Shared letters: imopsu. Private to "impuesto": et. Private to "impulso": l.

"impuesto" · 8 letters · shape VCCVVCCV  ·  "impulso" · 7 letters · shape VCCVCCV

Known mistypes of this pair

  • impuesto ← immpuesto · impeusto · imppuesto · impuesot · impuessto · impuestto · impuetso · impuseto
  • impulso ← immpulso · impluso · imppulso · impullso · impulos · impulsso · impuslo · imuplso

Frequently Asked Questions

Is swapping "impuesto" for "impulso" ever safe?
No. They are said differently ([ĩmˈpwest̪o] versus [ĩmˈpulso]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "impuesto" or "impulso" show up more?
"impuesto" is the more common of the two: it sits at frequency rank #2,029 in our Spanish list, against #4,344 for "impulso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "impuesto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "impulso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #310,963 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "impuesto" and "impulso" also get mixed up with nearby pairs, the highest-scored neighbour is "impulso 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 #310,963 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