hippy vs reformer

hippy and reformer both are nouns.

Word	Noun	Adjective	Verb	Adverb
hippy	Yes	No	No	No
reformer	Yes	No	No	No

As nouns, reformer is a hypernym of hippy; that is, reformer is a word with a broader meaning than hippy:

hippy: someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle
reformer: a disputant who advocates reform

Other hypernyms of hippy include crusader, meliorist, reformist, social reformer.

hippy (noun)	reformer (noun)
someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle	an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel
	a disputant who advocates reform