A4 vs al, What's the Difference?

Which to use

“A4” and “al” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,920
“A4” frequency rank: #1,052
“al” frequency rank: 19972
confusion score

Side-by-Side Comparison

Feature	A4	al
Definition	Format de papier de 210 mm × 297 mm.	Symbole de l’année-lumière, unité de longueur utilisée en astronomie.

Letter map: A4 vs al

Shared letters muted; letters that set A4 and al apart highlighted. Shared run: 1.

2 ch

Corpus notes: A4 and al

A4 and al are indexed as a confusable French 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 - 4 in “A4” becomes l in “al”. Our composite confusion score for this pair is 19972, derived from the frequency rank of both members and their visual similarity.

A4 is recorded at frequency rank #18,920, classified as asymbol. al is at rank #1,052, tagged as asymbol, pronounced \a.ne ly.mjɛʁ\.

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 19972, this pair ranks #370,595 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of A4 vs al

Shared letters: a. Private to "A4": -. Private to "al": l.

"A4" · 1 letters · shape V · "al" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "A4" for "al" ever safe?

No. They differ by a single letter - 4 in “A4” 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 French text, does "A4" or "al" show up more?

"al" is the more common of the two: it sits at frequency rank #1,052 in our French list, against #18,920 for "A4". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "A4" and "al". Here's where to go from here.

Full dictionary entry for "A4" 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 #370,595 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"A4" and "al" also get mixed up with nearby pairs, the highest-scored neighbour is "A4 vs aur". Nearby pair

Confusion rank #370,595 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.