beta
/ˈbiːtə/
"beta" is a 4-letter English headword indexed on PlainSpell.
The verdict
“beta” is a regularly-used English word, ranked #5,101 in English word frequency and used as a noun.
- #5,101
- frequency rank, English
- 4
- letters
- 3
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The second letter of the Greek alphabet (Β, β), preceded by alpha (Α, α) and followed by gamma, (Γ, γ). In modern Greek it represents the voiced labiodental fricative sound of v found in the Englis...
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | beta |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈbiːtə/ |
| Letters | 4 |
| Frequency rank | #5,101 |
| Misspellings tracked | 3 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “beta” sits in English frequency
Spelling & Dictionary Insight
The English entry for beta is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈbiːtə/. Corpus data places it at rank #5,101 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 13 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 3 likely wrong-spelling variants for beta, with forms such as "bbeta", "btea", and "ebta". 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, "Bt", "but", "bit", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Ancient Greek βῆτα (bêta). Doublet of beth. The correct English form is beta, spelled B-E-T-A.
Definition
- 1The second letter of the Greek alphabet (Β, β), preceded by alpha (Α, α) and followed by gamma, (Γ, γ). In modern Greek it represents the voiced labiodental fricative sound of v found in the English words have and vase.
- 2An academic grade better than a gamma and worse than an alpha.
- 3Average sensitivity of a security's price to overall securities market prices.
- 4The phase of development after alpha testing and before launch, in which software, while not complete, has been released to potential users for testing.
- 5Software in such a phase; a preliminary version.
- 6Any kind of content from early development that was not used in the final product.
- 7Information about a route which may aid someone in climbing it.
- 8A beta particle or beta ray.
- 9Sideslip angle.
- 10The range of engine power settings in which the blade pitch angle of a constant-speed propeller is controlled directly by the angle of the engine's throttle lever (rather than varying with engine torque and airspeed to maintain a constant propeller RPM), allowing the propeller to be disked to generate high drag and slow the aircraft quickly.
- 11Alternative spelling of betta (“fish in the genus Betta”).
- 12Ellipsis of beta male, a man who is less competent or desirable than an alpha male.
- 13In omegaverse fiction, a person of a secondary sex similar to normal humans, lacking the biological drives of alphas and omegas but generally capable of bonding and mating with either.
Etymology
From Ancient Greek βῆτα (bêta). Doublet of beth.
This word in other languages
Common misspellings
Also misspelled as: bbeta,btea,ebta
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of beta - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "beta"?
What does "beta" mean?
What words are commonly confused with "beta"?
How do you pronounce "beta"?
What is the origin of the word "beta"?
Is PlainSpell free to use?
Using “beta”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-E-T-A - every other letter order is a misspelling in standard orthography.
- Say it as /ˈbiːtə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “Bt” - see the side-by-side comparison. beta vs Bt
- Browse more English words and confusable pairs in the same reference. English words
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.