A3

\ɑ.tʁwa\

/\ɑ.tʁwa\/ noun

The verdict

“A3” sits in 20 confusable pairs (corpus #20,334) as a noun. The look-alike neighbours are the real trap.

#20,334
frequency rank, French
6,727
“A” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Format de papier mesurant 420 mm × 297 mm.

Corpus desk

Index FR-a3 · A3 · French

A3 · rank #20,334 · 0 variants · 20 confusables

  • FREQ-MID #20,334
  • LEN-SHORT 2 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,727
  • PHOTO-FINISH abattoirs

Nearest frequency peer: abattoirs (+1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbourhood for “A3”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “A3” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

A3 vs au
0% similar
A3 vs As
50% similar
A3 vs an
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for A3
PropertyValue
HeadwordA3
LanguageFrench
Part of speechNoun
IPA\ɑ.tʁwa\
Letters2
Frequency rank#20,334
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Où “A3” se place dans la fréquence du français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).A3se place ici:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Dans la même bande de rareté figurent « abattoirs » (#20,335), « acronyme » (#20,337), « évitent » (#20,330). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for A3 is neighbouring look-alikes ("au", "As", …), not just typos; it is anoun pronounced \ɑ.tʁwa\. Frequency #20,334 among 6,727 “A” headwords. Gloss: "Format de papier mesurant 420 mm × 297 mm.".

No misspelling variants are generated for A3 in our index, suggesting the orthography follows predictable French patterns. It also participates in 20 confusable-pair relationships, "au", "As", "an", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

No documented word history exists for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is A3, spelled A-3.

Definition

  1. 1
    Format de papier mesurant 420 mm × 297 mm.

Recorded use

Wiktionary example

These source excerpts show how A3 appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Le format A3 est le double du format A4 et la moitié du format A2.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "A3"?
"A3" is spelled A-3. The IPA pronunciation is \ɑ.tʁwa\.
What does "A3" mean?
As a noun, "A3" means: Format de papier mesurant 420 mm × 297 mm.
What words are commonly confused with "A3"?
"A3" is commonly confused with "au", "As", "an". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "A3"?
The IPA (International Phonetic Alphabet) transcription for "A3" is \ɑ.tʁwa\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "A3" come from?
"A3" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

What to do next

You've looked up "A3". Here's where to go from here.

  • "A3" maps to 20 confusable pairs in this vintage; the highest-scored is "au". View pair
  • Usage frequency rank #20,334 among French headwords in this corpus. Corpus statistics
  • Browse more French words in the "A" letter cohort. A–Z browse

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list