monoideism vs mental condition

monoideism and mental condition both are nouns.

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

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

monoideism: a state of prolonged absorption in a single idea (as in mental depression, trance, hypnosis).
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 monoideism include mental state, psychological condition, psychological state.

monoideism (noun)	mental condition (noun)
a state of prolonged absorption in a single idea (as in mental depression, trance, hypnosis).	(psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic