alpha

/ˈælfə/

//ˈælfə// noun

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

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

The verdict

“alpha” has 7 generated spelling variants in the English index at frequency #4,651. The variants make it a useful spelling check.

#4,651
frequency rank, English
3,931
“A” headwords
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The name of the first letter of the Greek alphabet (Α, α), followed by beta. In the Latin alphabet it is the predecessor to A.

Corpus desk

Index EN-alpha · alpha · English

alpha · rank #4,651 · 7 variants · 20 confusables

  • FREQ-COMMON #4,651
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 7 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH aimed

Nearest frequency peer: aimed (-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.

Rank peers near misspelling magnet “alpha”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “alpha” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

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).

alpha vs apa
60% similar
alpha vs Alps
40% similar
alpha vs alta
60% similar

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

Key facts for alpha
PropertyValue
Headwordalpha
LanguageEnglish
Part of speechNoun
IPA/ˈælfə/
Letters5
Frequency rank#4,651
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “alpha”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).alphalands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “aimed” (#4,650), “approaches” (#4,652), “AIDS” (#4,649). Among 3,931 “A” headwords, “alpha” is #4,651. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around alpha (IPA /ˈælfə/), anoun. Corpus frequency is #4,651 among 3,931 “A” headwords. Wiktionary lists 13 senses, so context still picks the gloss.

Our generated misspelling index lists 7 likely wrong-spelling variants for alpha, with forms such as "alhpa", "allpha", and "alpah". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "apa", "Alps", "alta", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Etymology tree Egyptian 𓃾der. Phoenician 𐤀 (ʾ /⁠ʾālep⁠/)bor. Ancient Greek ἄλφα (álpha)bor. English alpha From the Ancient Greek ἄλφα (álpha), the first letter of the Greek alphabet, from the Phoenician 𐤀 (ʾ, “aleph”). Doublet of alif and aleph. The correct English form is alpha, spelled A-L-P-H-A.

Definition

  1. 1
    The name of the first letter of the Greek alphabet (Α, α), followed by beta. In the Latin alphabet it is the predecessor to A.
  2. 2
    Latin alpha: the Latin letter Ɑ (minuscule: ɑ).
  3. 3
    The name of the symbols Α and α used in science and mathematics, often interchangeable with the symbols when used as a prefix.
  4. 4
    The return of a given asset or portfolio adjusted for systematic risk.
  5. 5
    A person, especially a male, who is dominant, successful and attractive; (see alpha male).
  6. 6
    Clipping of alphabet.
  7. 7
    The first versions of a program, usually only available to the developer, and only tested by the developer.
  8. 8
    An angle of attack.
  9. 9
    The level of translucency of a color, as determined by the alpha channel.
  10. 10
    Ellipsis of alpha layer.
  11. 11
    The significance level of a statistical test; the alpha level.
  12. 12
    In omegaverse fiction, a person of a dominant secondary sex driven by biology, magic, or other means to bond with an omega, with males of this type often having canine-like genitalia.
  13. 13
    Alternative letter-case form of Alpha (“member of Generation Alpha”).

Recorded use

Wiktionary examples

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

  1. I will attempt to make an alpha particle ("α-particle") with the Large Hadron Collider.
  2. Similarly, alphas are 2.33% larger than that of the equivalent monthly alphas using compounded returns while no changes can be found using arithmetic returns.

Etymology

Etymology tree Egyptian 𓃾der. Phoenician 𐤀 (ʾ /⁠ʾālep⁠/)bor. Ancient Greek ἄλφα (álpha)bor. English alpha From the Ancient Greek ἄλφα (álpha), the first letter of the Greek alphabet, from the Phoenician 𐤀 (ʾ, “aleph”). Doublet of alif and aleph.

This word in other languages

alfa(Español)alpha(Français)Alpha(Deutsch)

Common misspellings

Also misspelled as:

  • alhpa
  • allpha
  • alpah
  • alphha
  • alppha
  • aplha
  • lapha

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of alpha - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

alhpa2allpha1alpah2alphha1alppha1aplha2lapha2
Edit distance from "alpha"

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 "alpha"?
"alpha" is spelled A-L-P-H-A. The IPA pronunciation is /ˈælfə/.
What does "alpha" mean?
As a noun, "alpha" means: The name of the first letter of the Greek alphabet (Α, α), followed by beta. In the Latin alphabet it is the predecessor to A.
What words are commonly confused with "alpha"?
"alpha" is commonly confused with "apa", "Alps", "alta". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "alpha"?
The IPA (International Phonetic Alphabet) transcription for "alpha" is /ˈælfə/. 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 "alpha"?
Etymology tree Egyptian 𓃾der. Phoenician 𐤀 (ʾ /⁠ʾālep⁠/)bor. Ancient Greek ἄλφα (álpha)bor. English alpha From the Ancient Greek ἄλφα (álpha), the first letter of the Greek alphabet, from the Phoenician 𐤀 (ʾ, “aleph”). Doublet of alif and aleph. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "alpha", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

aimed#4,650Adams#4,648boats#4,656brick#4,658

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

warren7 variantsterror7 variantsscope7 variantserrors7 variants

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

Source: FrequencyWords open word-frequency list