ground ball vs chop

ground ball and chop both are nouns.

Word	Noun	Adjective	Verb	Adverb
ground ball	Yes	No	No	No
chop	Yes	No	Yes	No

As nouns, chop is a hyponym of ground ball; that is, chop is a word with a more specific, narrower meaning than ground ball:

Other hyponyms of ground ball include chopper, roller.

ground ball (noun)	chop (noun)
(baseball) a hit that travels along the ground	a tennis return made with a downward motion that puts backspin on the ball
	a grounder that bounces high in the air
	a jaw
	a small cut of meat including part of a rib
	the irregular motion of waves (usually caused by wind blowing in a direction opposite to the tide)

ground ball (verb)	chop (verb)
	hit sharply
	cut with a hacking tool
	cut into pieces with repeated blows
	strike sharply, as in some sports
	form or shape by chopping
	move suddenly