pleasure ground vs commons

pleasure ground and commons both are nouns.

Word	Noun	Adjective	Verb	Adverb
pleasure ground	Yes	No	No	No
commons	Yes	No	No	No

As nouns, commons is a hypernym of pleasure ground; that is, commons is a word with a broader meaning than pleasure ground:

pleasure ground: a commercially operated park with stalls and shows for amusement
commons: a piece of open land for recreational use in an urban area

Other hypernyms of pleasure ground include common, green, park.

pleasure ground (noun)	commons (noun)
a commercially operated park with stalls and shows for amusement	a class composed of persons lacking clerical or noble rank
	a piece of open land for recreational use in an urban area
	a pasture subject to common use