tuba
/ˈtjuː.bə/
"tuba" is a 4-letter English headword indexed on PlainSpell.
The verdict
“tuba” is a moderately-common English word, ranked #35,561 in English word frequency and used as a noun.
- #35,561
- frequency rank, English
- 4
- letters
- 5
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A large brass musical instrument, usually in the bass range, played through a vibration of the lips upon the mouthpiece and fingering of the keys.
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 | tuba |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈtjuː.bə/ |
| Letters | 4 |
| Frequency rank | #35,561 |
| Misspellings tracked | 5 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “tuba” sits in English frequency
Spelling & Dictionary Insight
The English entry for tuba is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈtjuː.bə/. Corpus data places it at rank #35,561 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 5 likely wrong-spelling variants for tuba, with forms such as "tbua", "ttuba", and "tuab". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "tug", "Tue", "tum", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: Borrowed in the 19th century from French tuba (“tuba”), German Tuba (“tuba”), originally Baß-Tuba (literally “bass tuba”), or Italian tuba (“tuba”), from Latin tuba (“tube, trumpet, military trumpet”). The Latin term is of obscure ultimate origin, but is po… The correct English form is tuba, spelled T-U-B-A.
Definition
- 1A large brass musical instrument, usually in the bass range, played through a vibration of the lips upon the mouthpiece and fingering of the keys.
- 2A large reed stop in organs.
Etymology
Borrowed in the 19th century from French tuba (“tuba”), German Tuba (“tuba”), originally Baß-Tuba (literally “bass tuba”), or Italian tuba (“tuba”), from Latin tuba (“tube, trumpet, military trumpet”). The Latin term is of obscure ultimate origin, but is possibly connected to tībia (“shinbone, reed-pipe”); see there.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: tbua,ttuba,tuab,tubba,utba
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of tuba - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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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Using “tuba”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-U-B-A - every other letter order is a misspelling in standard orthography.
- Say it as /ˈtjuː.bə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “tug” - see the side-by-side comparison. tuba vs tug
- 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.