AKvsanWhat's the difference?

Quick tell: AK is a noun, an is an article, so they fill different roles in a sentence.

Which to use

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

#10,642
“AK” frequency rank
#30
“an” frequency rank
10672
confusion score

Side-by-Side Comparison

Feature AK an
Definition an AK-47, AK-74, or related assault rifle (Avtomat Kalasnikova or Kalashnikov) Form of a (all article senses).

Letter map: AK vs an

Shared letters muted; letters that set AK and an apart highlighted. Shared run: 1.

2 ch
AK
2 ch
an

Grammar separator: AK vs an

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: AK is anoun and ananarticle. On the page they differ by a single letter - k in “AK” becomes n in “an”. Our composite confusion score for this pair is 10672, derived from the frequency rank of both members and their visual similarity.

AK is recorded at frequency rank #10,642, classified as anoun. an is at rank #30, tagged as anarticle, pronounced /ˈæn/.

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 10672, this pair ranks #491,119 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of AK vs an

Shared letters: a. Private to "AK": k. Private to "an": n.

"AK" · 2 letters · shape VC  ·  "an" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "AK" for "an" ever safe?
No - they are not even the same part of speech. "AK" is a noun and "an" an article, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "AK" or "an" show up more?
"an" is the more common of the two: it sits at frequency rank #30 in our English list, against #10,642 for "AK". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "AK" and "an".

  • Full dictionary entry for "AK" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "an" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #491,119 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "AK" and "an" also get mixed up with nearby pairs, the highest-scored neighbour is "AK vs amb". Nearby pair

Confusion rank #491,119 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list