cultivated land vs tilled land

cultivated land and tilled land both are nouns.

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

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

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

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

cultivated land (noun)	tilled 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