backstop vs ball

backstop and ball both are nouns.

Word	Noun	Adjective	Verb	Adverb
backstop	Yes	No	Yes	No
ball	Yes	No	Yes	No

backstop (noun)	ball (noun)
a precaution in case of an emergency	a pitch that is not in the strike zone
(baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field	a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs
(baseball) the person who plays the position of catcher	round object that is hit or thrown or kicked in games
	a spherical object used as a plaything
	a solid projectile that is shot by a musket
	a more or less rounded anatomical body or mass
	one of the two male reproductive glands that produce spermatozoa and secrete androgens
	a lavish dance requiring formal attire
	a compact mass
	an object with a spherical shape

backstop (verb)	ball (verb)
act as a backstop	form into a ball by winding or rolling
	to live very well