trichotillomania vs passion

trichotillomania and passion both are nouns.

Word	Noun	Adjective	Verb	Adverb
trichotillomania	Yes	No	No	No
passion	Yes	No	No	No

As nouns, passion is a hypernym of trichotillomania; that is, passion is a word with a broader meaning than trichotillomania:

Other hypernyms of trichotillomania include cacoethes, mania.

trichotillomania (noun)	passion (noun)
an irresistible urge to pull out your own hair	the trait of being intensely emotional
	any object of warm affection or devotion
	a strong feeling or emotion
	a feeling of strong sexual desire
	an irrational but irresistible motive for a belief or action
	something that is desired intensely