# costa

> English word · Noun · IPA /ˈkɒ.stə/ · frequency rank #5,589

## Definitions
1. Synonym of rib.
2. A riblike part of a plant or animal, such as a midrib of a leaf or a thickened vein or the margin of an insect wing.
3. A riblike part of a plant or animal, such as a midrib of a leaf or a thickened vein or the margin of an insect wing.

## Etymology
Unadapted borrowing from Latin costa (“a rib”). Doublet of coast.

## Easily confused with
- **cot** (https://plainspell.com/en/vs/costa-vs-cot)
- **CSA** (https://plainspell.com/en/vs/costa-vs-csa)
- **CST** (https://plainspell.com/en/vs/costa-vs-cst)
- **CTA** (https://plainspell.com/en/vs/costa-vs-cta)
- **cosy** (https://plainspell.com/en/vs/costa-vs-cosy)
- **cyst** (https://plainspell.com/en/vs/costa-vs-cyst)
- **cote** (https://plainspell.com/en/vs/costa-vs-cote)
- **costs** (https://plainspell.com/en/vs/costa-vs-costs)
- **cysts** (https://plainspell.com/en/vs/costa-vs-cysts)
- **cotta** (https://plainspell.com/en/vs/costa-vs-cotta)
- **costly** (https://plainspell.com/en/vs/costa-vs-costly)
- **costal** (https://plainspell.com/en/vs/costa-vs-costal)
- **cos** (https://plainspell.com/en/vs/cos-vs-costa)
- **coa** (https://plainspell.com/en/vs/coa-vs-costa)
- **cost** (https://plainspell.com/en/vs/cost-vs-costa)
- **cast** (https://plainspell.com/en/vs/cast-vs-costa)
- **coat** (https://plainspell.com/en/vs/coat-vs-costa)
- **cola** (https://plainspell.com/en/vs/cola-vs-costa)
- **coma** (https://plainspell.com/en/vs/coma-vs-costa)
- **coca** (https://plainspell.com/en/vs/coca-vs-costa)

## Common misspellings (6)
`ccosta`, `cossta`, `costta`, `cotsa`, `csota`, `ocsta`

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