passion vs infatuation

passion and infatuation both are nouns.

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

As nouns, infatuation is a hyponym of passion; that is, infatuation is a word with a more specific, narrower meaning than passion:

passion: a strong feeling or emotion
infatuation: a foolish and usually extravagant passion or love or admiration

Other hyponyms of passion include abandon, wildness, ardor, ardour, fervency, fervidness, fervor, fervour, fire, storminess.

passion (noun)	infatuation (noun)
the trait of being intensely emotional	an object of extravagant short-lived passion
any object of warm affection or devotion	a foolish and usually extravagant passion or love or admiration
a strong feeling or emotion	temporary love of an adolescent
a feeling of strong sexual desire
an irrational but irresistible motive for a belief or action
something that is desired intensely