Drop and Sinkhole

Drop noun - The quantity of fluid that falls naturally in one rounded mass.

Sinkhole and drop are semantically related. In some cases you can use "Sinkhole" instead a noun "Drop".

Nearby Words: dropped, dropping, droplet, dropout, dropper

Sinkhole noun - A depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof.

Drop and sinkhole are semantically related. Sometimes you can use "Drop" instead a noun "Sinkhole".