Phenaphen vs trademark

Phenaphen and trademark both are nouns.

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

Phenaphen (noun)	trademark (noun)
an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

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