A8vsanWhat's the difference?

Quick tell: A8 is a name, an is an article, so they fill different roles in a sentence.

Which to use

“A8” is a name and “an” is an article - they look or sound alike but fill different roles in a sentence.

#35,598
“A8” frequency rank
#30
“an” frequency rank
35628
confusion score

Side-by-Side Comparison

Feature A8 an
Definition The eight former Eastern European countries that acceded to the European Union in 2004. Form of a (all article senses).

Where the spellings diverge

Shared letters are muted; the letters that actually set A8 and an apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

2 ch
A8
2 ch
an

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A8 is aname and ananarticle. On the page they differ by a single letter - 8 in “A8” becomes n in “an”. Our composite confusion score for this pair is 35628, derived from the frequency rank of both members and their visual similarity.

A8 is recorded at frequency rank #35,598, classified as aname. an is at rank #30, tagged as anarticle, pronounced /ˈæn/.

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 35628, this pair ranks #310,345 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of A8 vs an

Shared letters: a. Private to "A8": -. Private to "an": n.

"A8" · 1 letters · shape V  ·  "an" · 2 letters · shape VC

Frequency comparison

A8#35,598
an#30

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "A8" and "an" be used interchangeably?
No - they are not even the same part of speech. "A8" is a name and "an" an article, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "A8" or "an"?
"an" is the more common of the two: it sits at frequency rank #30 in our English list, against #35,598 for "A8". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering A8 vs an

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “A8”; for an article, it's “an”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “A8” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list