Knoll

Definition:

(n.) A little round hill; a mound; a small elevation of earth; the top or crown of a hill.
(v. t.) To ring, as a bell; to strike a knell upon; to toll; to proclaim, or summon, by ringing.
(v. i.) To sound, as a bell; to knell.
(n.) The tolling of a bell; a knell.

Compare knoll with other words:

knoll vs. mountain

knoll vs. ridge

hummock vs. knoll

knell vs. knoll

knoll vs. rounded

knoll vs. mound