tilth vs ploughland

tilth and ploughland both are nouns.

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

As nouns, tilth and ploughland are synonyms defined as:

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

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

tilth (noun)	ploughland (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
the state of aggregation of soil and its condition for supporting plant growth