ploughland vs tillage

ploughland and tillage both are nouns.

Word	Noun	Adjective	Verb	Adverb
ploughland	Yes	No	No	No
tillage	Yes	No	No	No

As nouns, ploughland and tillage are synonyms defined as:

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

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

ploughland (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