parkland vs parcel

parkland and parcel both are nouns.

Word	Noun	Adjective	Verb	Adverb
parkland	Yes	No	No	No
parcel	Yes	No	Yes	No

As nouns, parcel is a hypernym of parkland; that is, parcel is a word with a broader meaning than parkland:

parkland: a large area of land preserved in its natural state as public property
parcel: an extended area of land

Other hypernyms of parkland include parcel of land, piece of ground, piece of land, tract.

parkland (noun)	parcel (noun)
a large area of land preserved in its natural state as public property	the allotment of some amount by dividing something
	a wrapped container
	a collection of things wrapped or boxed together
	an extended area of land

parkland (verb)	parcel (verb)
	make into a wrapped container
	cover with strips of canvas
	divide into parts