alpha and omega

noun

"alpha-and-omega" is a 13-letter English headword indexed on PlainSpell.

The verdict

“alpha and omega” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The first and last; the beginning and end.

Corpus desk

Index EN-alpha-and-omega · alpha and omega · English

alpha and omega · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

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.

Key facts for alpha and omega
PropertyValue
Headwordalpha and omega
LanguageEnglish
Part of speechNoun
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “alpha and omega” in English

alpha and omegaranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

alpha and omega is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The first and last; the beginning and end.".

alpha and omega has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From alpha and omega, first and final letters of the Greek Alphabet, from Revelation 1:8, see quotations. Translation of Ancient Greek τὸ ἄλφα καὶ τὸ ὦ (tò álpha kaì tò ô). The correct English form is alpha and omega, spelled A-L-P-H-A- -A-N-D- -O-M-E-G-A.

Definition

  1. 1
    The first and last; the beginning and end.

Recorded use

Wiktionary examples

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

  1. I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty.
  2. the alpha and omega of science

Etymology

From alpha and omega, first and final letters of the Greek Alphabet, from Revelation 1:8, see quotations. Translation of Ancient Greek τὸ ἄλφα καὶ τὸ ὦ (tò álpha kaì tò ô).

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "alpha and omega"?
"alpha and omega" is spelled A-L-P-H-A- -A-N-D- -O-M-E-G-A.
What does "alpha and omega" mean?
As a noun, "alpha and omega" means: The first and last; the beginning and end.
What is the origin of the word "alpha and omega"?
From alpha and omega, first and final letters of the Greek Alphabet, from Revelation 1:8, see quotations. Translation of Ancient Greek τὸ ἄλφα καὶ τὸ ὦ (tò álpha kaì tò ô). See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list