Betamax
"betamax" is a 7-letter English headword indexed on PlainSpell.
The verdict
“Betamax” is uncommon English (frequency #80,243 among 4,121 “B” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #80,243
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A home videocassette recording format developed by Sony in 1975, now known for having lost the format war to VHS.
Corpus desk
Index EN-betamax · Betamax · English
Betamax · rank #80,243 · 0 variants · 0 confusables
- FREQ-RARE #80,243
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH Berrien
Nearest frequency peer: Berrien (-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.
Long-tail ranks near “Betamax”
Sparse band: bars invert rank so rarer forms read shorter
- Benjie
Benjie
19,764 corpus weight
- bergh
bergh
19,761 corpus weight
- Berrien
Berrien
19,759 corpus weight
- Betamax
Betamax
19,758 corpus weight
- bimbos
bimbos
19,755 corpus weight
- blacklight
blacklight
19,753 corpus weight
What this shows Long-tail view: where “Betamax” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | Betamax |
| Language | English |
| Part of speech | Proper noun |
| Letters | 7 |
| Frequency rank | #80,243 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Betamax” in English
Rare enough to double-check
Betamax is uncommon English at frequency #80,243 among 4,121 “B” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A home videocassette recording format developed by Sony in 1975, now known for having lost the format war to VHS.".
Our edit-distance generator produced no likely misspellings for Betamax, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: According to Sony, the name had a double meaning: beta is the Japanese word used to describe the way in which signals are recorded on the tape; and the shape of the Greek letter beta β resembles the course of the tape through the transport. The suffix -max,… The correct English form is Betamax, spelled B-E-T-A-M-A-X.
Definition
- 1A home videocassette recording format developed by Sony in 1975, now known for having lost the format war to VHS.
Etymology
According to Sony, the name had a double meaning: beta is the Japanese word used to describe the way in which signals are recorded on the tape; and the shape of the Greek letter beta β resembles the course of the tape through the transport. The suffix -max, from maximum, was added to suggest greatness.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Betamax", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).