asuntovsasusteWhat's the difference?

Quick tell: asunto is a noun, asuste is a verb, so they fill different roles in a sentence.

Which to use

“asunto” is a noun and “asuste” is a verb - they look or sound alike but fill different roles in a sentence.

#1,011
“asunto” frequency rank
#29,050
“asuste” frequency rank
30061
confusion score

Side-by-Side Comparison

Feature asunto asuste
Definition Cosa cualquiera de la que hay que ocuparse Primera persona del singular (yo) del presente de subjuntivo de asustar o de asustarse.

Where the eye mixes asunto and asuste

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. asunto and asuste follow the identical consonant-vowel pattern (VCVCCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
asunto
6 ch
asuste

Visual trap between asunto and asuste

These two trip readers on the page rather than in the ear: asunto is [aˈsũn̪t̪o] while asuste is [aˈsust̪e]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 30061, derived from the frequency rank of both members and their visual similarity.

asunto is recorded at frequency rank #1,011, classified as anoun, pronounced [aˈsũn̪t̪o]. asuste is at rank #29,050, tagged as averb, pronounced [aˈsust̪e].

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 30061, this pair ranks #213,856 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of asunto vs asuste

Shared letters: astu. Private to "asunto": no. Private to "asuste": e.

"asunto" · 6 letters · shape VCVCCV  ·  "asuste" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • asunto ← asnuto · assunto · asunnto · asunot · asuntto · asutno · ausnto · saunto
  • asuste ← assuste · assute · asuset · asusste · asustte · asutse · ausste · sauste

Frequently Asked Questions

Can "asunto" and "asuste" be used interchangeably?
No - they are not even the same part of speech. "asunto" is a noun and "asuste" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "asunto" or "asuste"?
"asunto" is the more common of the two: it sits at frequency rank #1,011 in our Spanish list, against #29,050 for "asuste". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "asunto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asuste" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #213,856 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "asunto" and "asuste" also get mixed up with nearby pairs, the highest-scored neighbour is "amaste vs asuste". 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 #213,856 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