asvsasíTell them apart

Quick tell: as is a noun, así is an adverb, so they fill different roles in a sentence.

Which to use

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

#1,886
“as” frequency rank
#55
“así” frequency rank
1941
confusion score

Side-by-Side Comparison

Feature as así
Definition Cada una de las cartas marcadas con la unidad en los juegos de naipes. De este modo o forma.

Where the eye mixes as and así

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

2 ch
as
3 ch
así

Visual trap between as and así

These two trip readers on the page rather than in the ear: as is [ˈas] while así is [aˈsi]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “as” sits inside “así”, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 1941, derived from the frequency rank of both members and their visual similarity.

as is recorded at frequency rank #1,886, classified as anoun, pronounced [ˈas]. así is at rank #55, tagged as anadv, pronounced [aˈsi].

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 1941, this pair ranks #321,246 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of as vs así

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

"as" · 2 letters · shape VC  ·  "así" · 3 letters · shape VCV

Frequently Asked Questions

Do "as" and "así" mean the same thing in a sentence?
No - they are not even the same part of speech. "as" is a noun and "así" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "as" or "así" show up more?
"así" is the more common of the two: it sits at frequency rank #55 in our Spanish list, against #1,886 for "as". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "as" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "así" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #321,246 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "as" and "así" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs as". Nearby pair

Confusion rank #321,246 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