aha vs at, What's the Difference?

Which to use

“aha” is an intj and “at” is a preposition - they look or sound alike but fill different roles in a sentence.

#13,653
“aha” frequency rank: #21
“at” frequency rank: 13674
confusion score

Side-by-Side Comparison

Feature	aha	at
Definition	An exclamation of understanding, realization, invention, or recognition.	In, near, or in the general vicinity of (a particular place).

Where the eye mixes aha and at

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

3 ch

aha

2 ch

Look-alike desk: aha vs at

These two trip readers on the page rather than in the ear: aha is /ɑːhɑː/ while at is /æt/. 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 (intj vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 13674, derived from the frequency rank of both members and their visual similarity.

aha is recorded at frequency rank #13,653, classified as anintj, pronounced /ɑːhɑː/. at is at rank #21, tagged as aprep, pronounced /æt/.

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 13674, this pair ranks #474,450 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aha vs at

Shared letters: a. Private to "aha": h. Private to "at": t.

"aha" · 3 letters · shape VCV · "at" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "aha" for "at" ever safe?

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

Which is more common, "aha" or "at"?

"at" is the more common of the two: it sits at frequency rank #21 in our English list, against #13,653 for "aha". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

Full dictionary entry for "aha" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "at" - compare definitions side by side with the headword page. Word entry
This pair ranks #474,450 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"aha" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "aha vs Asta". Nearby pair

Confusion rank #474,450 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.