crush vs puppy love

crush and puppy love both are nouns.

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

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

Other synonyms of crush include calf love, infatuation.

crush (noun)	puppy love (noun)
the act of crushing	temporary love of an adolescent
temporary love of an adolescent
a dense crowd of people
leather that has had its grain pattern accentuated

crush (verb)	puppy love (verb)
break into small pieces
become injured, broken, or distorted by pressure
come out better in a competition, race, or conflict
make ineffective
to compress with violence, out of natural shape or condition
crush or bruise
humiliate or depress completely
come down on or keep down by unjust use of one's authority