as

/əz/

//əz// adv

"as" is a 2-letter English headword indexed on PlainSpell.

The verdict

“as” sits in 20 confusable pairs (corpus #18) as an adverb. The look-alike neighbours are the real trap.

#18
frequency rank, English
3,931
“A” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To such an extent or degree; to the same extent or degree.

Corpus desk

Index EN-as · as · English

as · rank #18 · 0 variants · 20 confusables

  • FREQ-CORE #18
  • LEN-SHORT 2 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH be

Nearest frequency peer: be (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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 “as”

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

corpus weight

What this shows Bars show where “as” sits against the nearest ranked English 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).

as vs at
50% similar
as vs aw
50% similar
as vs AU
0% similar

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

Key facts for as
PropertyValue
Headwordas
LanguageEnglish
Part of speechAdverb
IPA/əz/
Letters2
Frequency rank#18
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “as” 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). as 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 as is neighbouring look-alikes ("at", "aw", …), not just typos; it is anadverb pronounced /əz/. Frequency #18 among 3,931 “A” headwords. 3 recorded senses keep meaning in play.

No misspelling variants are generated for as in our index, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "at", "aw", "AU", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Etymology tree Proto-Indo-European *h₂el-der.? Proto-Indo-European *h₂elnós Proto-Germanic *allaz Proto-West Germanic *all Proto-Indo-European *swéder.? Proto-Germanic *swa Proto-West Germanic *swā Proto-West Germanic *allswā Old English eallswā Middle Engl… The correct English form is as, spelled A-S.

Definition

  1. 1
    To such an extent or degree; to the same extent or degree.
  2. 2
    Considered to be, in relation to something else; in the relation (specified).
  3. 3
    For example; for instance. (Compare such as.)

Recorded use

Wiktionary examples

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

  1. She regards her kids as (being) as holy as saints.
  2. You’re not as tall as I am, but you are definitely as happy as can be.

Etymology

Etymology tree Proto-Indo-European *h₂el-der.? Proto-Indo-European *h₂elnós Proto-Germanic *allaz Proto-West Germanic *all Proto-Indo-European *swéder.? Proto-Germanic *swa Proto-West Germanic *swā Proto-West Germanic *allswā Old English eallswā Middle English also Middle English as English as From Middle English as, als(a), alswa, from Old English eallswā (“just so; as”), thus representing a reduced form of also. Compare German Low German a(l)s, German als, Dutch als.

This word in other languages

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "as"?
"as" is spelled A-S. The IPA pronunciation is /əz/.
What does "as" mean?
As an adverb, "as" means: To such an extent or degree; to the same extent or degree.
What words are commonly confused with "as"?
"as" is commonly confused with "at", "aw", "AU". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "as"?
The IPA (International Phonetic Alphabet) transcription for "as" is /əz/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "as"?
Etymology tree Proto-Indo-European *h₂el-der.? Proto-Indo-European *h₂elnós Proto-Germanic *allaz Proto-West Germanic *all Proto-Indo-European *swéder.? Proto-Germanic *swa Proto-West Germanic *swā Proto-West Germanic *allswā Old English eallswā M... 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.

What to do next

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

  • "as" maps to 20 confusable pairs in this vintage; the highest-scored is "at". View pair
  • Usage frequency rank #18 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "A" letter cohort. A–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

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