pasture land vs grazing land

pasture land and grazing land both are nouns.

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

As nouns, pasture land and grazing land are synonyms defined as:

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

Other synonyms of pasture land include lea, ley, pasture, pastureland.

pasture land (noun)	grazing land (noun)
a field covered with grass or herbage and suitable for grazing by livestock	a field covered with grass or herbage and suitable for grazing by livestock