cultivated land vs tillage

cultivated land and tillage both are nouns.

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

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

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

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

cultivated land (noun)	tillage (noun)
arable land that is worked by plowing and sowing and raising crops	the cultivation of soil for raising crops
	arable land that is worked by plowing and sowing and raising crops