trademark vs Luger

trademark and Luger both are nouns.

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

trademark (noun)	Luger (noun)
a distinctive characteristic or attribute of someone or something	a German semiautomatic pistol
a formally registered symbol identifying the manufacturer or distributor of a product

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