stone; rock; jewel; precious stone; flint (in a lighter); (round) game piece
flow (of a fluid or gas); stream; flow (of people, things); passage (of time); course (of events); (step-by-step) procedure; group of people who remain together after the end of an event
leaf (of a tree); tree leaves; foliage
to sink; to go under; to go down (e.g. sun); to set; to feel depressed; to become subdued