pasture vs common land

pasture and common land both are nouns.

Word	Noun	Adjective	Verb	Adverb
pasture	Yes	No	Yes	No
common land	Yes	No	No	No

As nouns, common land is a hyponym of pasture; that is, common land is a word with a more specific, narrower meaning than pasture:

pasture: a field covered with grass or herbage and suitable for grazing by livestock
common land: a pasture subject to common use

Other hyponyms of pasture include commons, cow pasture.

pasture (noun)	common land (noun)
bulky food like grass or hay for browsing or grazing horses or cattle	a pasture subject to common use
a field covered with grass or herbage and suitable for grazing by livestock

pasture (verb)	common land (verb)
feed as in a meadow or pasture
let feed in a field or pasture or meadow