undercut vs squash

undercut and squash both are nouns.

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

undercut (noun)	squash (noun)
(sports) a stroke that puts reverse spin on the ball	a game played in an enclosed court by two or four players who strike the ball with long-handled rackets
a cut made underneath to remove material	edible fruit of a squash plant; eaten as a vegetable
a notch cut in the trunk of tree in order to determine the direction of its fall	any of numerous annual trailing plants of the genus Cucurbita grown for their fleshy edible fruits
the tender meat of the loin muscle on each side of the vertebral column
the material removed by a cut made underneath

undercut (verb)	squash (verb)
strike (the ball) in golf, tennis, or hockey obliquely downward so as to give a backspin or elevation to the shot	to compress with violence, out of natural shape or condition
cut away the underpart of
cut away material from the underside of (an object) so as to leave an overhanging portion in relief
cut obliquely into (a tree) below the main cut and on the side toward which the tree will fall
sell cheaper than one's competition