trademark vs BVD's

trademark and BVD's both are nouns.

Word	Noun	Adjective	Verb	Adverb
trademark	Yes	No	Yes	No
BVD's	Yes	No	No	No

trademark (noun)	BVD's (noun)
a distinctive characteristic or attribute of someone or something	trademark for men's underwear
a formally registered symbol identifying the manufacturer or distributor of a product

trademark (verb)	BVD's (verb)
register the trademark of
mark with a brand or trademark