flower child vs hippie

flower child and hippie both are nouns.

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

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

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

Other synonyms of flower child include hippy, hipster.

flower child (noun)	hippie (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