agostovsasustoWhich spelling fits?

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

Which to use

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

#600
“agosto” frequency rank
#37,436
“asusto” frequency rank
38036
confusion score

Side-by-Side Comparison

Feature agosto asusto
Definition Octavo mes del año en el calendario gregoriano, entre julio y septiembre, con 31 días. Primera persona del singular (yo) del presente de indicativo de asustar o de asustarse.

Where the eye mixes agosto and asusto

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
agosto
6 ch
asusto

Look-alike desk: agosto vs asusto

These two trip readers on the page rather than in the ear: agosto is [aˈɣ̞ost̪o] while asusto is [aˈsust̪o]. 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 38036, derived from the frequency rank of both members and their visual similarity.

agosto is recorded at frequency rank #600, classified as anoun, pronounced [aˈɣ̞ost̪o]. 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 38036, this pair ranks #172,159 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of agosto vs asusto

Shared letters: aost. Private to "agosto": g. Private to "asusto": u.

"agosto" · 6 letters · shape VCVCCV  ·  "asusto" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • agostoaggosto · agosot · agossto · agostto · agotso · agsoto · aogsto · gaosto
  • asustoassusto · assuto · asusot · asussto · asustto · asutso · aussto · sausto

Frequently Asked Questions

Is swapping "agosto" for "asusto" ever safe?
No - they are not even the same part of speech. "agosto" is a noun and "asusto" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "agosto" or "asusto"?
"agosto" is the more common of the two: it sits at frequency rank #600 in our Spanish list, against #37,436 for "asusto". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "agosto" 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 #172,159 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "agosto" 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 #172,159 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