ah vs As, What's the Difference?

Which to use

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

#640
“ah” frequency rank: #22
“As” frequency rank: 662
confusion score

Side-by-Side Comparison

Feature	ah	As
Definition	exprime admiração	forma obsoleta de Ass

Letter map: ah vs As

Shared letters muted; letters that set ah and As apart highlighted. Shared run: 1.

2 ch

Part-of-speech tell for ah / As

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ah is anintj and Asanoun. On the page they differ by a single letter - h in “ah” becomes s in “As”. Our composite confusion score for this pair is 662, derived from the frequency rank of both members and their visual similarity.

ah is recorded at frequency rank #640, classified as anintj. As is at rank #22, tagged as anoun, pronounced /as/.

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 662, this pair ranks #75,005 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ah vs As

Shared letters: a. Private to "ah": h. Private to "As": s.

"ah" · 2 letters · shape VC · "As" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ah" for "As" ever safe?

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

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

"As" is the more common of the two: it sits at frequency rank #22 in our Portuguese list, against #640 for "ah". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "ah" and "As". Here's where to go from here.

Full dictionary entry for "ah" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "As" - compare definitions side by side with the headword page. Word entry
This pair ranks #75,005 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ah" and "As" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ah". Nearby pair

Confusion rank #75,005 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.