tilth vs tillage

tilth and tillage both are nouns.

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

As nouns, tilth and tillage are synonyms defined as:

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

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

tilth (noun)	tillage (noun)
arable land that is worked by plowing and sowing and raising crops	the cultivation of soil for raising crops
the state of aggregation of soil and its condition for supporting plant growth	arable land that is worked by plowing and sowing and raising crops