ADF vs at, What's the Difference?

Which to use

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

#38,705
“ADF” frequency rank: #21
“at” frequency rank: 38726
confusion score

Side-by-Side Comparison

Feature	ADF	at
Definition	Initialism of African Development Foundation.	In, near, or in the general vicinity of (a particular place).

Letter map: ADF vs at

Shared letters muted; letters that set ADF and at apart highlighted. Shared run: 1.

3 ch

ADF

2 ch

Role in the sentence - ADF and at

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ADF is aname and atapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38726, derived from the frequency rank of both members and their visual similarity.

ADF is recorded at frequency rank #38,705, classified as aname. 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 38726, this pair ranks #283,344 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ADF vs at

Shared letters: a. Private to "ADF": df. Private to "at": t.

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

Frequently Asked Questions

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

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

Frequency check: "ADF" vs "at" - which ranks higher?

"at" is the more common of the two: it sits at frequency rank #21 in our English list, against #38,705 for "ADF". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "ADF" and "at". Here's where to go from here.

Full dictionary entry for "ADF" 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 #283,344 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"ADF" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "ADF vs amb". Nearby pair

Confusion rank #283,344 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.