mantle vs drop

mantle and drop both are nouns.

Word	Noun	Adjective	Verb	Adverb
mantle	Yes	No	Yes	No
drop	Yes	No	Yes	No

As nouns, drop is a hyponym of mantle; that is, drop is a word with a more specific, narrower meaning than mantle:

mantle: hanging cloth used as a blind (especially for a window)
drop: a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery

mantle (noun)	drop (noun)
a sleeveless garment like a cloak but shorter	the act of dropping something
hanging cloth used as a blind (especially for a window)	a central depository where things can be left or picked up
shelf that projects from wall above fireplace	a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery
(zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell	a sudden sharp decrease in some quantity
the cloak as a symbol of authority	a free and rapid descent by the force of gravity
the layer of the earth between the crust and the core	a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property)
anything that covers	a steep high face of rock
	a small indefinite quantity (especially of a liquid)
	a shape that is spherical and small

mantle (verb)	drop (verb)
cover like a mantle	give birth; used for animals
spread over a surface, like a mantle	grow progressively worse
	go down in value
	stop pursuing or acting
	change from one level to another
	lower the pitch of (musical notes)
	fall or sink into a state of exhaustion or death
	leave undone or leave out
	omit (a letter or syllable) in speaking or writing
	utter with seeming casualness
	lose (a game)
	take (a drug, especially LSD), by mouth
	remove (cargo, people, etc.) from and leave
	to remove
	cause to fall by or as if by delivering a blow
	let or cause to fall in drops
	to fall vertically
	let fall to the ground
	fall or descend to a lower place or level
	pay out
	stop associating with
	terminate an association with
	hang loosely