trademark vs Humvee

trademark and Humvee both are nouns.

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

trademark (noun)	Humvee (noun)
a distinctive characteristic or attribute of someone or something	a high mobility, multipurpose, military vehicle with four-wheel drive
a formally registered symbol identifying the manufacturer or distributor of a product

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