# buoyancy

> English word · Noun · IPA /ˈbɔɪ.ən.si/ · frequency rank #30,713

## Definitions
1. The upward force on a body immersed or partly immersed in a fluid.
2. The ability of an object to stay afloat in a fluid.
3. Resilience or cheerfulness.

## Etymology
From buoyant + -cy or buoy + -ancy.

## Easily confused with
- **buoyant** (https://plainspell.com/en/vs/buoyancy-vs-buoyant)

## Common misspellings (12)
`bbuoyancy`, `bouyancy`, `buoayncy`, `buoyacny`, `buoyanccy`, `buoyancyy`, `buoyanncy`, `buoyanyc`, `buoynacy`, `buoyyancy`, `buyoancy`, `uboyancy`

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