As vs até, What's the Difference?

Which to use

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

#22
“As” frequency rank: #55
“até” frequency rank: 77
confusion score

Side-by-Side Comparison

Feature	As	até
Definition	forma obsoleta de Ass	também, inclusive

Where the eye mixes As and até

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch

3 ch

até

Visual trap between As and até

These two trip readers on the page rather than in the ear: As is /as/ while até is /ɐ.ˈtɛ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 77, derived from the frequency rank of both members and their visual similarity.

As is recorded at frequency rank #22, classified as anoun, pronounced /as/. até is at rank #55, tagged as anadv, pronounced /ɐ.ˈtɛ/.

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 77, this pair ranks #75,575 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of As vs até

Shared letters: a. Private to "As": s. Private to "até": té.

"As" · 2 letters · shape VC · "até" · 3 letters · shape VCV

Frequently Asked Questions

Can "As" and "até" be used interchangeably?

No - they are not even the same part of speech. "As" is a noun and "até" an adverb, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "As" or "até" show up more?

"As" is the more common of the two: it sits at frequency rank #22 in our Portuguese list, against #55 for "até". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "As" and "até" 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 "até" - compare definitions side by side with the headword page. Word entry
This pair ranks #75,575 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"As" and "até" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs até". Nearby pair

Confusion rank #75,575 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.