amidopyrine vs painkiller

amidopyrine and painkiller both are nouns.

Word	Noun	Adjective	Verb	Adverb
amidopyrine	Yes	No	No	No
painkiller	Yes	No	No	No

As nouns, painkiller is a hypernym of amidopyrine; that is, painkiller is a word with a broader meaning than amidopyrine:

amidopyrine: a white crystalline substance used as an analgesic and antipyretic
painkiller: a medicine used to relieve pain

Other hypernyms of amidopyrine include analgesic, anodyne, pain pill.

amidopyrine (noun)	painkiller (noun)
a white crystalline substance used as an analgesic and antipyretic	a medicine used to relieve pain