aspirin powder vs Bayer

aspirin powder and Bayer both are nouns.

Word	Noun	Adjective	Verb	Adverb
aspirin powder	Yes	No	No	No
Bayer	Yes	No	No	No

As nouns, Bayer is a hypernym of aspirin powder; that is, Bayer is a word with a broader meaning than aspirin powder:

aspirin powder: a powdered form of aspirin
Bayer: the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets

Other hypernyms of aspirin powder include acetylsalicylic acid, aspirin, Empirin, St. Joseph, powder.

aspirin powder (noun)	Bayer (noun)
a powdered form of aspirin	the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets