disappear — to cease to be seen; vanish from sight.
abandon — If you abandon a place, thing, or person, you leave the place, thing, or person permanently or for a long time, especially when you should not do so.
decrease — When something decreases or when you decrease it, it becomes less in quantity, size, or intensity.
drop — a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule.
fall — to come or drop down suddenly to a lower position, especially to leave a standing or erect position suddenly, whether voluntarily or not: to fall on one's knees.
go — to move or proceed, especially to or from something: They're going by bus.
hide — Informal. to administer a beating to; thrash.
leave — to go out of or away from, as a place: to leave the house.
