asívsassWhich spelling fits?

Quick tell: así is a adverb, ass is a verb, so they fill different roles in a sentence.

Which to use

“así” is an adverb and “ass” is a verb - they look or sound alike but fill different roles in a sentence.

#55
“así” frequency rank
#25,907
“ass” frequency rank
25962
confusion score

Side-by-Side Comparison

Feature así ass
Definition De este modo o forma. Primera y tercera personas del singular del pretérito imperfecto de indicativo de essen.

Where the eye mixes así and ass

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
así
3 ch
ass

Visual trap between así and ass

These two trip readers on the page rather than in the ear: así is [aˈsi] while ass is [a:s]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - í in “así” becomes s in “ass”, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 25962, derived from the frequency rank of both members and their visual similarity.

así is recorded at frequency rank #55, classified as anadv, pronounced [aˈsi]. ass is at rank #25,907, tagged as averb, pronounced [a:s].

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 25962, this pair ranks #233,992 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of así vs ass

Shared letters: as. Private to "así": í. Private to "ass": -.

"así" · 3 letters · shape VCV  ·  "ass" · 3 letters · shape VCC

Frequently Asked Questions

Do "así" and "ass" mean the same thing in a sentence?
No - they are not even the same part of speech. "así" is an adverb and "ass" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "así" or "ass" show up more?
"así" is the more common of the two: it sits at frequency rank #55 in our Spanish list, against #25,907 for "ass". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "así" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,992 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "así" and "ass" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs ass". Nearby pair

Confusion rank #233,992 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