trademark vs RU 486

trademark and RU 486 both are nouns.

Word	Noun	Adjective	Verb	Adverb
trademark	Yes	No	Yes	No
RU 486	Yes	No	No	No

trademark (noun)	RU 486 (noun)
a distinctive characteristic or attribute of someone or something	an abortion-inducing drug (trade name RU 486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo
a formally registered symbol identifying the manufacturer or distributor of a product

trademark (verb)	RU 486 (verb)
register the trademark of
mark with a brand or trademark