impugnarvsimputarTell them apart

Which to use

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

#25,667
“impugnar” frequency rank
#41,415
“imputar” frequency rank
67082
confusion score

Side-by-Side Comparison

Feature impugnar imputar
Definition Contraponerse a algo y rebatirlo mediante argumentos razonables. Atribuir o asignar a una persona la responsabilidad o autoría de un delito, una culpa o una falta

Where the eye mixes impugnar and imputar

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
impugnar
7 ch
imputar

Why the eye confuses impugnar with imputar

A purely visual mix-up. impugnar ([ĩmpuɣ̞ˈnaɾ]) and imputar ([ĩmpuˈt̪aɾ]) 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 67082, derived from the frequency rank of both members and their visual similarity.

impugnar is recorded at frequency rank #25,667, classified as averb, pronounced [ĩmpuɣ̞ˈnaɾ]. imputar is at rank #41,415, tagged as averb, pronounced [ĩmpuˈt̪aɾ].

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 67082, this pair ranks #38,071 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of impugnar vs imputar

Shared letters: aimpru. Private to "impugnar": gn. Private to "imputar": t.

"impugnar" · 8 letters · shape VCCVCCVC  ·  "imputar" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • impugnarimmpugnar · impgunar · imppugnar · impuganr · impuggnar · impugnarr · impugnnar · impugnra
  • imputarimmputar · impputar · imptuar · impuatr · imputarr · imputra · imputtar · imuptar

Frequently Asked Questions

Is swapping "impugnar" for "imputar" ever safe?
No. They are said differently ([ĩmpuɣ̞ˈnaɾ] versus [ĩmpuˈt̪aɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "impugnar" vs "imputar" - which ranks higher?
"impugnar" is the more common of the two: it sits at frequency rank #25,667 in our Spanish list, against #41,415 for "imputar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "impugnar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "imputar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #38,071 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "impugnar" and "imputar" also get mixed up with nearby pairs, the highest-scored neighbour is "imputada vs imputar". 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 #38,071 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