trademark vs Polycillin

trademark and Polycillin both are nouns.

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

trademark (noun)	Polycillin (noun)
a distinctive characteristic or attribute of someone or something	semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
a formally registered symbol identifying the manufacturer or distributor of a product

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