ball vs runner

ball and runner both are nouns.

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

ball (noun)	runner (noun)
a pitch that is not in the strike zone	fish of western Atlantic: Cape Cod to Brazil
a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs	device consisting of the parts on which something can slide along
round object that is hit or thrown or kicked in games	a long narrow carpet
a spherical object used as a plaything	a trained athlete who competes in foot races
a solid projectile that is shot by a musket	someone who imports or exports without paying duties
a more or less rounded anatomical body or mass	a baseball player on the team at bat who is on base (or attempting to reach a base)
one of the two male reproductive glands that produce spermatozoa and secrete androgens	someone who travels on foot by running
a lavish dance requiring formal attire	a person who is employed to deliver messages or documents
a compact mass	(football) the player who is carrying (and trying to advance) the ball on an offensive play
an object with a spherical shape	a horizontal branch from the base of plant that produces new plants from buds at its tips

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