Drop

goutte

(small quantity of liquid, just large enough to hold its own round shape through surface tension)

larme

(small quantity of liquid, just large enough to hold its own round shape through surface tension)

réglisse

(confection)

vide

(distance through which something drops, or falls below a certain level)

laisser tomber

(to let (something) fall; to allow (something) to fall (either by releasing hold of, or losing one's grip on))

tomber

(to fall (straight down) under the influence of gravity)