ball vs batting average

ball and batting average both are nouns.

Word	Noun	Adjective	Verb	Adverb
ball	Yes	No	Yes	No
batting average	Yes	No	No	No

ball (noun)	batting average (noun)
a pitch that is not in the strike zone	(baseball) a measure of a batter's performance; the number of base hits divided by the number of official times at bat
a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs	(an extension of the baseball term) the proportion of times some effort succeeds
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

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