Rolodex vs trademark

Rolodex and trademark both are nouns.

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

Rolodex (noun)	trademark (noun)
(trademark) a desktop rotary card index with removable cards; usually used for names, addresses, and telephone numbers	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

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