# KJ

> English word · Noun · frequency rank #29,336

## Definitions
1. Phencyclidine (PCP); also, a marijuana cigarette laced with phencyclidine.

## Etymology
Probably an initialism of crystal (“phencyclidine”) + joint (“marijuana cigarette”).

## Easily confused with
- **ky** (https://plainspell.com/en/vs/kj-vs-ky)
- **ko** (https://plainspell.com/en/vs/kj-vs-ko)
- **Ku** (https://plainspell.com/en/vs/kj-vs-ku)
- **KS** (https://plainspell.com/en/vs/kj-vs-ks)
- **KT** (https://plainspell.com/en/vs/kj-vs-kt)
- **kk** (https://plainspell.com/en/vs/kj-vs-kk)
- **KL** (https://plainspell.com/en/vs/kj-vs-kl)
- **KP** (https://plainspell.com/en/vs/kj-vs-kp)
- **kun** (https://plainspell.com/en/vs/kj-vs-kun)
- **KKK** (https://plainspell.com/en/vs/kj-vs-kkk)
- **Koh** (https://plainspell.com/en/vs/kj-vs-koh)
- **KMS** (https://plainspell.com/en/vs/kj-vs-kms)
- **koi** (https://plainspell.com/en/vs/kj-vs-koi)
- **Kos** (https://plainspell.com/en/vs/kj-vs-kos)
- **Koo** (https://plainspell.com/en/vs/kj-vs-koo)
- **Kok** (https://plainspell.com/en/vs/kj-vs-kok)
- **kmt** (https://plainspell.com/en/vs/kj-vs-kmt)
- **kyu** (https://plainspell.com/en/vs/kj-vs-kyu)
- **KKR** (https://plainspell.com/en/vs/kj-vs-kkr)
- **kor** (https://plainspell.com/en/vs/kj-vs-kor)

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