ploughland vs cultivated land

ploughland and cultivated land both are nouns.

Word	Noun	Adjective	Verb	Adverb
ploughland	Yes	No	No	No
cultivated land	Yes	No	No	No

As nouns, ploughland and cultivated land are synonyms defined as:

ploughland and cultivated land: arable land that is worked by plowing and sowing and raising crops

Other synonyms of ploughland include farmland, plowland, tillage, tilled land, tilth.

ploughland (noun)	cultivated land (noun)
arable land that is worked by plowing and sowing and raising crops	arable land that is worked by plowing and sowing and raising crops