puppy love vs infatuation

puppy love and infatuation both are nouns.

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

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

Other synonyms of puppy love include calf love, crush.

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