trademark vs Bufferin

trademark and Bufferin both are nouns.

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

trademark (noun)	Bufferin (noun)
a distinctive characteristic or attribute of someone or something	aspirin coated with a substance capable of neutralizing acid (trade name Bufferin)
a formally registered symbol identifying the manufacturer or distributor of a product

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