cultivated land vs farmland

cultivated land and farmland both are nouns.

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

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

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

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

cultivated land (noun)	farmland (noun)
arable land that is worked by plowing and sowing and raising crops	a rural area where farming is practiced
	arable land that is worked by plowing and sowing and raising crops