tilth vs farmland

tilth and farmland both are nouns.

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

As nouns, tilth and farmland are synonyms defined as:

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

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

tilth (noun)	farmland (noun)
arable land that is worked by plowing and sowing and raising crops	a rural area where farming is practiced
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