igniter vs punk

igniter and punk both are nouns.

Word	Noun	Adjective	Verb	Adverb
igniter	Yes	No	No	No
punk	Yes	Yes	No	No

As nouns, punk is a hyponym of igniter; that is, punk is a word with a more specific, narrower meaning than igniter:

Other hyponyms of igniter include firelighter, kindling, spunk, tinder, touchwood.

igniter (noun)	punk (noun)
a device for lighting or igniting fuel or charges or fires	rock music with deliberately offensive lyrics expressing anger and social alienation; in part a reaction against progressive rock
a substance used to ignite or kindle a fire	an aggressive and violent young criminal
	a teenager or young adult who is a performer (or enthusiast) of punk rock and a member of the punk youth subculture
	substance that smolders when ignited; used to light fuses (especially fireworks)
	material for starting a fire

igniter (adjective)	punk (adjective)
	of very poor quality; flimsy