# peptide

> English word · Noun · IPA /ˈpɛptaɪd/ · frequency rank #19,659

## Definitions
1. Any of a class of organic compounds consisting of various numbers of amino acids in which the amine of one is reacted with the carboxylic acid of the next to form an amide bond.
2. The peptide bond itself.
3. performance-enhancing drugs, often a synthetic peptide compound

## Etymology
From peptone, partially hydrolyzed protein, or German Peptid, from German Pepton, from Ancient Greek πεπτόν (peptón, “cooked, digested”) derived from πέπτω (péptō, “soften, ripen, boil, cook, bake, digest”).

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

## Common misspellings (10)
`epptide`, `pepitde`, `pepptide`, `peptdie`, `peptidde`, `peptied`, `pepttide`, `petpide`, `ppeptide`, `ppetide`

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