AFAIK

adv

"afaik" is a 5-letter English headword indexed on PlainSpell.

The verdict

“AFAIK” is uncommon English (frequency #71,262 among 35,202 “A” headwords), classed as an adverb. The kind of spelling people second-guess.

#71,262
frequency rank, English
35,202
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of as far as I know.

Key facts for AFAIK
PropertyValue
HeadwordAFAIK
LanguageEnglish
Part of speechAdverb
Letters5
Frequency rank#71,262
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “AFAIK” 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). AFAIK lands here:

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

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

Rare enough to double-check

AFAIK is uncommon English at frequency #71,262 among 35,202 “A” headwords, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "Initialism of as far as I know.".

The misspelling generator found no plausible variants for AFAIK, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is AFAIK, spelled A-F-A-I-K.

Definition

  1. 1
    Initialism of as far as I know.

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 "AFAIK"?
"AFAIK" is spelled A-F-A-I-K.
What does "AFAIK" mean?
As an adverb, "AFAIK" means: Initialism of as far as I know.
What language does "AFAIK" come from?
"AFAIK" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “AFAIK”

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

  • The one correct English spelling is A-F-A-I-K - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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