trademark vs Elspar

trademark and Elspar both are nouns.

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

trademark (noun)	Elspar (noun)
a distinctive characteristic or attribute of someone or something	antineoplastic drug (trade name Elspar) sometimes used to treat lymphoblastic leukemia
a formally registered symbol identifying the manufacturer or distributor of a product

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