# scuba

> English word · Noun · IPA /ˈskuːbə/ · frequency rank #19,452

## Definitions
1. An apparatus carried by a diver, which includes a tank holding compressed, filtered air and a regulator which delivers the air to the diver at ambient pressure which can be used underwater.

## Etymology
From SCUBA, acronym of self-contained underwater breathing apparatus; now usually viewed as anacronymic.

## Easily confused with
- **sub** (https://plainspell.com/en/vs/scuba-vs-sub)
- **scum** (https://plainspell.com/en/vs/scuba-vs-scum)
- **stub** (https://plainspell.com/en/vs/scuba-vs-stub)
- **snub** (https://plainspell.com/en/vs/scuba-vs-snub)
- **Suga** (https://plainspell.com/en/vs/scuba-vs-suga)
- **sura** (https://plainspell.com/en/vs/scuba-vs-sura)
- **Sousa** (https://plainspell.com/en/vs/scuba-vs-sousa)
- **Sheba** (https://plainspell.com/en/vs/scuba-vs-sheba)
- **scumbag** (https://plainspell.com/en/vs/scuba-vs-scumbag)
- **SBA** (https://plainspell.com/en/vs/sba-vs-scuba)
- **saba** (https://plainspell.com/en/vs/saba-vs-scuba)
- **scab** (https://plainspell.com/en/vs/scab-vs-scuba)
- **scrub** (https://plainspell.com/en/vs/scrub-vs-scuba)
- **sauna** (https://plainspell.com/en/vs/sauna-vs-scuba)
- **samba** (https://plainspell.com/en/vs/samba-vs-scuba)
- **scala** (https://plainspell.com/en/vs/scala-vs-scuba)

## Common misspellings (7)
`csuba`, `scbua`, `sccuba`, `scuab`, `scubba`, `sscuba`, `sucba`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/scuba