asustanvsasustoWhich spelling fits?

Which to use

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

#22,580
“asustan” frequency rank
#37,436
“asusto” frequency rank
60016
confusion score

Side-by-Side Comparison

Feature asustan asusto
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de asustar o de asustarse. Primera persona del singular (yo) del presente de indicativo de asustar o de asustarse.

Where the eye mixes asustan and asusto

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. asustan runs 7 letters (VCVCCVC) against asusto's 6 (VCVCCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
asustan
6 ch
asusto

Why the eye confuses asustan with asusto

A purely visual mix-up. asustan ([aˈsust̪ãn]) and asusto ([aˈsust̪o]) 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 60016, derived from the frequency rank of both members and their visual similarity.

asustan is recorded at frequency rank #22,580, classified as averb, pronounced [aˈsust̪ãn]. asusto is at rank #37,436, tagged as averb, pronounced [aˈsust̪o].

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 60016, this pair ranks #60,448 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of asustan vs asusto

Shared letters: astu. Private to "asustan": n. Private to "asusto": o.

"asustan" · 7 letters · shape VCVCCVC  ·  "asusto" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • asustan ← assustan · assutan · asusatn · asusstan · asustann · asustna · asusttan · asutsan
  • asusto ← assusto · assuto · asusot · asussto · asustto · asutso · aussto · sausto

Frequently Asked Questions

Is swapping "asustan" for "asusto" ever safe?
No. They are said differently ([aˈsust̪ãn] versus [aˈsust̪o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "asustan" or "asusto" show up more?
"asustan" is the more common of the two: it sits at frequency rank #22,580 in our Spanish list, against #37,436 for "asusto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "asustan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asusto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,448 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "asustan" and "asusto" also get mixed up with nearby pairs, the highest-scored neighbour is "asusto vs ayuso". 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 #60,448 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