insane asylum vs mental home

insane asylum and mental home both are nouns.

Word	Noun	Adjective	Verb	Adverb
insane asylum	Yes	No	No	No
mental home	Yes	No	No	No

As nouns, insane asylum and mental home are synonyms defined as:

insane asylum and mental home: a hospital for mentally incompetent or unbalanced person

Other synonyms of insane asylum include asylum, institution, mental hospital, mental institution, psychiatric hospital.

insane asylum (noun)	mental home (noun)
a hospital for mentally incompetent or unbalanced person	a hospital for mentally incompetent or unbalanced person