parkland vs safari park

parkland and safari park both are nouns.

Word	Noun	Adjective	Verb	Adverb
parkland	Yes	No	No	No
safari park	Yes	No	No	No

As nouns, safari park is a hyponym of parkland; that is, safari park is a word with a more specific, narrower meaning than parkland:

parkland: a large area of land preserved in its natural state as public property
safari park: an area of parkland where wild animals are kept and can be viewed by visitors driving through

Other hyponyms of parkland include national park.

parkland (noun)	safari park (noun)
a large area of land preserved in its natural state as public property	an area of parkland where wild animals are kept and can be viewed by visitors driving through