hypnosis vs mental condition

hypnosis and mental condition both are nouns.

Word	Noun	Adjective	Verb	Adverb
hypnosis	Yes	No	No	No
mental condition	Yes	No	No	No

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

hypnosis: a state that resembles sleep but that is induced by suggestion
mental condition: (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic

Other hypernyms of hypnosis include mental state, psychological condition, psychological state.

hypnosis (noun)	mental condition (noun)
a state that resembles sleep but that is induced by suggestion	(psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic