trademark vs Bayer

trademark and Bayer both are nouns.

Word	Noun	Adjective	Verb	Adverb
trademark	Yes	No	Yes	No
Bayer	Yes	No	No	No

trademark (noun)	Bayer (noun)
a distinctive characteristic or attribute of someone or something	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
a formally registered symbol identifying the manufacturer or distributor of a product

trademark (verb)	Bayer (verb)
register the trademark of
mark with a brand or trademark