A3vsALWhat's the difference?

Which to use

“A3” and “AL” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#19,748
“A3” frequency rank
#702
“AL” frequency rank
20450
confusion score

Side-by-Side Comparison

Feature A3 AL
Definition A one-page document, often tabular or graphical, on such paper. Initialism of assembly language.

Letter map: A3 vs AL

Shared letters muted; letters that set A3 and AL apart highlighted. Shared run: 1.

2 ch
A3
2 ch
AL

Corpus notes: A3 and AL

A3 and AL are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - 3 in “A3” becomes l in “AL”. Our composite confusion score for this pair is 20450, derived from the frequency rank of both members and their visual similarity.

A3 is recorded at frequency rank #19,748, classified as anoun. AL is at rank #702, tagged as anoun.

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 20450, this pair ranks #430,999 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of A3 vs AL

Shared letters: a. Private to "A3": -. Private to "AL": l.

"A3" · 1 letters · shape V  ·  "AL" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "A3" for "AL" ever safe?
No. They differ by a single letter - 3 in “A3” becomes l in “AL”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "A3" or "AL" show up more?
"AL" is the more common of the two: it sits at frequency rank #702 in our English list, against #19,748 for "A3". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "A3" and "AL".

  • Full dictionary entry for "A3" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "AL" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #430,999 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "A3" and "AL" also get mixed up with nearby pairs, the highest-scored neighbour is "A3 vs amb". Nearby pair

Confusion rank #430,999 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