Bluetooth
/ˈbluːtuːθ/
"bluetooth" is a 9-letter English headword indexed on PlainSpell.
The verdict
“Bluetooth” has 13 generated spelling variants in the English index at frequency #10,334. The variants make it a useful spelling check.
- #10,334
- frequency rank, English
- 31,241
- “B” headwords
- 13
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The nickname of Harald Gormsson, a king of Denmark and Norway.
| Property | Value |
|---|---|
| Headword | Bluetooth |
| Language | English |
| Part of speech | Proper noun |
| IPA | /ˈbluːtuːθ/ |
| Letters | 9 |
| Frequency rank | #10,334 |
| Misspellings tracked | 13 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Bluetooth” sits in English frequency
A misspelling magnet
The generator records 13 spelling variants around Bluetooth (IPA /ˈbluːtuːθ/), aproper noun. Corpus frequency is #10,334 among 31,241 “B” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 13 likely wrong-spelling variants for Bluetooth, with forms such as "bbluetooth", "bleutooth", and "blluetooth". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From blue + tooth, calque of Old Norse Blátǫnn (modern Danish Blåtand). * (networking): The networking standard is named after the king because the technology unites computers and mobile devices similarly to the way he united the Danish tribes. The correct English form is Bluetooth, spelled B-L-U-E-T-O-O-T-H.
Definition
- 1The nickname of Harald Gormsson, a king of Denmark and Norway.
- 2An industrial specification for wireless personal area networks.
Etymology
From blue + tooth, calque of Old Norse Blátǫnn (modern Danish Blåtand). * (networking): The networking standard is named after the king because the technology unites computers and mobile devices similarly to the way he united the Danish tribes.
This word in other languages
Common misspellings
Also misspelled as:
- bbluetooth
- bleutooth
- blluetooth
- blueototh
- bluetooht
- bluetoothh
- bluetootth
- bluetoth
- bluetotoh
- bluettooth
- bluteooth
- buletooth
- lbuetooth
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Bluetooth - 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 "Bluetooth"?
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Is PlainSpell free to use?
Using “Bluetooth”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-L-U-E-T-O-O-T-H - every other letter order is a misspelling in standard orthography.
- Say it as /ˈbluːtuːθ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Same frequency band
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.