江 is built from the 氵 (water (left)) and 工 components.
It reads コウ like 工, as do 攻, 功, 項, and 貢 — learn 工 once and the family's reading comes with it.
A common word using 江 is 江 (え), meaning “inlet; bay”.
Kanji that look similar include 汗, 汚, 池, and 汁.
