ㅉ
쌍지읒 (ssangjieut)
A tight j with no breath, a little like the ts in “cats” said hard.
StrokesTwo ㅈs side by side, each in its usual order.
Easy to confuseㅈ — Doubling makes it tense: 자다 (sleep) vs 짜다 (salty).
Examples
짜다
jjada
salty
찌개
jjigae
stew
짝
jjak
a pair; a partner