ball vs park

ball and park both are nouns.

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

ball (noun)	park (noun)
a pitch that is not in the strike zone	a facility in which ball games are played (especially baseball games)
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 gear position that acts as a parking brake
round object that is hit or thrown or kicked in games	a large area of land preserved in its natural state as public property
a spherical object used as a plaything	a piece of open land for recreational use in an urban area
a solid projectile that is shot by a musket	a lot where cars are parked
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)	park (verb)
form into a ball by winding or rolling	place temporarily
to live very well	maneuver a vehicle into a parking space