tuba

/ˈtjuː.bə/

//ˈtjuː.bə// noun

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

"tuba" is a 4-letter English headword indexed on PlainSpell.

The verdict

“tuba” has 5 generated spelling variants in the English index at frequency #35,561. The variants make it a useful spelling check.

#35,561
frequency rank, English
3,151
“T” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 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.

Corpus desk

Index EN-tuba · tuba · English

tuba · rank #35,561 · 5 variants · 20 confusables

  • FREQ-MID #35,561
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH tryna

Nearest frequency peer: tryna (-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 “tuba”

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

corpus weight

What this shows “tuba” 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).

tuba vs tug
50% similar
tuba vs Tue
25% similar
tuba vs tum
50% similar

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

Key facts for tuba
PropertyValue
Headwordtuba
LanguageEnglish
Part of speechNoun
IPA/ˈtjuː.bə/
Letters4
Frequency rank#35,561
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “tuba”

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).tubalands 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 “tryna” (#35,560), “turnip” (#35,562), “transducer” (#35,559). Among 3,151 “T” headwords, “tuba” is #35,561. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around tuba (IPA /ˈtjuː.bə/), anoun. Corpus frequency is #35,561 among 3,151 “T” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

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

  1. 1
    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.
  2. 2
    A large reed stop in organs.

Recorded use

Wiktionary example

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

  1. One version of the large tuba, popular in marching bands, is called a sousaphone in honor of bandsman John Philip Sousa.

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

grunt-horn

This word in other languages

tuba(Español)tuba(Français)Tuba(Deutsch)

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.

tbua2ttuba1tuab2tubba1utba2
Edit distance from "tuba"

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 "tuba"?
"tuba" is spelled T-U-B-A. The IPA pronunciation is /ˈtjuː.bə/.
What does "tuba" mean?
As a noun, "tuba" means: 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.
What words are commonly confused with "tuba"?
"tuba" is commonly confused with "tug", "Tue", "tum". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "tuba"?
The IPA (International Phonetic Alphabet) transcription for "tuba" is /ˈtjuː.bə/. 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 "tuba"?
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,... 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 "tuba", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

teak#35,552taka#35,551urea#35,572spas#35,526

Similar misspelling depth

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

adieu5 variantsbari5 variantsROFL5 variantspedo5 variants

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

Source: FrequencyWords open word-frequency list