ball field vs park

ball field and park both are nouns.

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

ball field (noun)	park (noun)
the baseball playing field	a facility in which ball games are played (especially baseball games)
	a gear position that acts as a parking brake
	a large area of land preserved in its natural state as public property
	a piece of open land for recreational use in an urban area
	a lot where cars are parked

ball field (verb)	park (verb)
	place temporarily
	maneuver a vehicle into a parking space