trademark vs Duralumin

trademark and Duralumin both are nouns.

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

trademark (noun)	Duralumin (noun)
a distinctive characteristic or attribute of someone or something	an aluminum-based alloy
a formally registered symbol identifying the manufacturer or distributor of a product

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