unbroken vs unplowed

unbroken and unplowed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unbroken	No	Yes	No	No
unplowed	No	Yes	No	No

As adjectives, unbroken and unplowed are synonyms defined as:

Other synonyms of unbroken include unploughed.

unbroken (adjective)	unplowed (adjective)
not broken; whole and intact; in one piece	(of farmland) not plowed
marked by continuous or uninterrupted extension in space or time or sequence
(especially of promises or contracts) not violated or disregarded
(of farmland) not plowed
not subdued or trained for service or use