punks vs youth subculture

punks and youth subculture both are nouns.

Word	Noun	Adjective	Verb	Adverb
punks	Yes	No	No	No
youth subculture	Yes	No	No	No

As nouns, youth subculture is a hypernym of punks; that is, youth subculture is a word with a broader meaning than punks:

punks: a youth subculture closely associated with punk rock music in the late 1970s; in part a reaction to the hippy subculture; dress was optional but intended to shock (plastic garbage bags or old school uniforms) and hair was dyed in bright colors (in Mohican haircuts or sometimes spiked in bright plumes)
youth subculture: a minority youth culture whose distinctiveness depended largely on the social class and ethnic background of its members; often characterized by its adoption of a particular music genre

punks (noun)	youth subculture (noun)
a youth subculture closely associated with punk rock music in the late 1970s; in part a reaction to the hippy subculture; dress was optional but intended to shock (plastic garbage bags or old school uniforms) and hair was dyed in bright colors (in Mohican haircuts or sometimes spiked in bright plumes)	a minority youth culture whose distinctiveness depended largely on the social class and ethnic background of its members; often characterized by its adoption of a particular music genre