mental state vs status

mental state and status both are nouns.

Word	Noun	Adjective	Verb	Adverb
mental state	Yes	No	No	No
status	Yes	No	No	No

As nouns, status is a hypernym of mental state; that is, status is a word with a broader meaning than mental state:

mental state: (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic
status: a state at a particular time

Other hypernyms of mental state include condition.

mental state (noun)	status (noun)
(psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic	the relative position or standing of things or especially persons in a society
	a state at a particular time