aft vs at, What's the Difference?

Which to use

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

#17,285
“aft” frequency rank: #21
“at” frequency rank: 17306
confusion score

Side-by-Side Comparison

Feature	aft	at
Definition	The rear part (after end) of a ship or other vessel.	In, near, or in the general vicinity of (a particular place).

Where the eye mixes aft and at

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

3 ch

aft

2 ch

Look-alike desk: aft vs at

These two trip readers on the page rather than in the ear: aft is /ɑːft/ 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 (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 17306, derived from the frequency rank of both members and their visual similarity.

aft is recorded at frequency rank #17,285, classified as anoun, pronounced /ɑːft/. 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 17306, this pair ranks #452,283 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aft vs at

Shared letters: at. Private to "aft": f. Private to "at": -.

"aft" · 3 letters · shape VCC · "at" · 2 letters · shape VC

Frequently Asked Questions

Do "aft" and "at" mean the same thing in a sentence?

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

In ordinary English text, does "aft" or "at" show up more?

"at" is the more common of the two: it sits at frequency rank #21 in our English list, against #17,285 for "aft". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

Full dictionary entry for "aft" 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 #452,283 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"aft" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "aft vs Asta". Nearby pair

Confusion rank #452,283 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.