use (noun) / a task, business, an errand

drug abuse / substance abuse

thing (concrete, tangible) / (law) a corporeal object

chaos, disorder / disorderly

chaos, disorder / revolt, rebellion

drug

A substance with mystical properties, especially one that has an effect on the body, health, or lifespan.

for the use of, for the purpose of, in case of

use; effect; means

乱: revolt, rebellion / 卵: ovum / 蘭: orchid / 欄: column (of text) / 襴: / 鸞: luan (mythical Chinese bird)