safety vs ball

safety and ball both are nouns.

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

safety (noun)	ball (noun)
(baseball) the successful act of striking a baseball in such a way that the batter reaches base safely	a pitch that is not in the strike zone
a score in American football; a player is tackled behind his own goal line	a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs
a device designed to prevent injury or accidents	round object that is hit or thrown or kicked in games
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse	a spherical object used as a plaything
a safe place	a solid projectile that is shot by a musket
the state of being certain that adverse effects will not be caused by some agent under defined conditions	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

safety (verb)	ball (verb)
	form into a ball by winding or rolling
	to live very well