undercut vs drop

undercut and drop both are nouns.

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

undercut (noun)	drop (noun)
(sports) a stroke that puts reverse spin on the ball	the act of dropping something
a cut made underneath to remove material	a central depository where things can be left or picked up
a notch cut in the trunk of tree in order to determine the direction of its fall	a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery
the tender meat of the loin muscle on each side of the vertebral column	a sudden sharp decrease in some quantity
the material removed by a cut made underneath	a free and rapid descent by the force of gravity
	a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property)
	a steep high face of rock
	a small indefinite quantity (especially of a liquid)
	a shape that is spherical and small

undercut (verb)	drop (verb)
strike (the ball) in golf, tennis, or hockey obliquely downward so as to give a backspin or elevation to the shot	give birth; used for animals
cut away the underpart of	grow progressively worse
cut away material from the underside of (an object) so as to leave an overhanging portion in relief	go down in value
cut obliquely into (a tree) below the main cut and on the side toward which the tree will fall	stop pursuing or acting
sell cheaper than one's competition	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