asylum vs psychiatric hospital

asylum and psychiatric hospital both are nouns.

Word	Noun	Adjective	Verb	Adverb
asylum	Yes	No	No	No
psychiatric hospital	Yes	No	No	No

As nouns, asylum and psychiatric hospital are synonyms defined as:

asylum and psychiatric hospital: a hospital for mentally incompetent or unbalanced person

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

asylum (noun)	psychiatric hospital (noun)
a hospital for mentally incompetent or unbalanced person	a hospital for mentally incompetent or unbalanced person
a shelter from danger or hardship