flower child vs hippy

flower child and hippy both are nouns.

Word	Noun	Adjective	Verb	Adverb
flower child	Yes	No	No	No
hippy	Yes	No	No	No

As nouns, flower child and hippy are synonyms defined as:

flower child and hippy: someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle

Other synonyms of flower child include hippie, hipster.

flower child (noun)	hippy (noun)
someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle	someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle