rest home vs nursing home

rest home and nursing home both are nouns.

Word	Noun	Adjective	Verb	Adverb
rest home	Yes	No	No	No
nursing home	Yes	No	No	No

As nouns, rest home and nursing home are synonyms defined as:

Other synonyms of rest home include home.

rest home (noun)	nursing home (noun)
an institution where people are cared for	an institution where people are cared for