A4vsabaWhat's the difference?

Quick tell: A4 is a symbol, aba is a noun, so they fill different roles in a sentence.

Which to use

“A4” is a symbol and “aba” is a noun - they look or sound alike but fill different roles in a sentence.

#18,920
“A4” frequency rank
#48,886
“aba” frequency rank
67806
confusion score

Side-by-Side Comparison

Feature A4 aba
Definition Format de papier de 210 mm × 297 mm. Manteau de laine en usage en Turquie et dans l’ancienne Perse.

Letter map: A4 vs aba

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

2 ch
A4
3 ch
aba

Role in the sentence - A4 and aba

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A4 is asymbol and abaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67806, derived from the frequency rank of both members and their visual similarity.

A4 is recorded at frequency rank #18,920, classified as asymbol. aba is at rank #48,886, tagged as anoun, pronounced \a.ba\.

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 67806, this pair ranks #61,832 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of A4 vs aba

Shared letters: a. Private to "A4": -. Private to "aba": b.

"A4" · 1 letters · shape V  ·  "aba" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "A4" for "aba" ever safe?
No - they are not even the same part of speech. "A4" is a symbol and "aba" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "A4" vs "aba" - which ranks higher?
"A4" is the more common of the two: it sits at frequency rank #18,920 in our French list, against #48,886 for "aba". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "A4" and "aba".

  • Full dictionary entry for "A4" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aba" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,832 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "A4" and "aba" also get mixed up with nearby pairs, the highest-scored neighbour is "aba vs aur". Nearby pair

Confusion rank #61,832 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list