dip / soak / immerse / stop / linger

boiling

boil

to use / to employ / to make use of, to apply / to spend

coffee

water (sometimes cold and/or fresh) / drinking water / a fluid, liquid / a flood / (sumo) Short for 水入り (mizuiri): halting

use one thing for many purposes / work someone hard

to use one's head

black coffee (coffee served without cream or milk)

instant coffee (a beverage in the form of a powder, granules, or concentrated liquid, made from coffee and able to be quickly reconstituted by adding water)