infatuation vs puppy love

infatuation and puppy love both are nouns.

Word	Noun	Adjective	Verb	Adverb
infatuation	Yes	No	No	No
puppy love	Yes	No	No	No

As nouns, infatuation and puppy love are synonyms defined as:

Other synonyms of infatuation include calf love, crush.

infatuation (noun)	puppy love (noun)
an object of extravagant short-lived passion	temporary love of an adolescent
a foolish and usually extravagant passion or love or admiration
temporary love of an adolescent