A8

name

By · According to Wiktionary data (CC BY-SA) ·

"a8" is a 1-letter English headword indexed on PlainSpell.

The verdict

“A8” sits in 20 confusable pairs (corpus #35,598) as a proper noun. The look-alike neighbours are the real trap.

#35,598
frequency rank, English
35,202
“A” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The eight former Eastern European countries that acceded to the European Union in 2004.

Visual similarity to commonly confused words

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

A8 vs as
0% similar
A8 vs at
0% similar
A8 vs an
0% similar

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

Key facts for A8
PropertyValue
HeadwordA8
LanguageEnglish
Part of speechProper noun
Letters2
Frequency rank#35,598
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “A8” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). A8 lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for A8 is neighbouring look-alikes ("as", "at", …), not just typos; it is aproper noun. Frequency #35,598 among 35,202 “A” headwords. Gloss: "The eight former Eastern European countries that acceded to the European Union in 2004.".

A8 has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "as", "at", "an", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Abbreviation of accession eight. The correct English form is A8, spelled A-8.

Definition

  1. 1
    The eight former Eastern European countries that acceded to the European Union in 2004.

Etymology

Abbreviation of accession eight.

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "A8"?
"A8" is spelled A-8.
What does "A8" mean?
As a proper noun, "A8" means: The eight former Eastern European countries that acceded to the European Union in 2004.
What words are commonly confused with "A8"?
"A8" is commonly confused with "as", "at", "an". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "A8"?
Abbreviation of accession eight. See the full etymology section above for more details.
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.

Using “A8”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-8 - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “as” - see the side-by-side comparison. A8 vs as
  • Browse more English words and confusable pairs in the same reference. English words

Words at a similar English frequency

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 FrequencyWords open word-frequency list