prison farm vs prison camp

prison farm and prison camp both are nouns.

Word	Noun	Adjective	Verb	Adverb
prison farm	Yes	No	No	No
prison camp	Yes	No	No	No

As nouns, prison farm and prison camp are synonyms defined as:

prison farm and prison camp: a camp for trustworthy prisoners employed in government projects

Other synonyms of prison farm include work camp.

prison farm (noun)	prison camp (noun)
a camp for trustworthy prisoners employed in government projects	a camp for trustworthy prisoners employed in government projects
	a camp for prisoners of war