trademark vs Ping-Pong

trademark and Ping-Pong both are nouns.

Word	Noun	Adjective	Verb	Adverb
trademark	Yes	No	Yes	No
Ping-Pong	Yes	No	No	No

trademark (noun)	Ping-Pong (noun)
a distinctive characteristic or attribute of someone or something	a game (trademark Ping-Pong) resembling tennis but played on a table with paddles and a light hollow ball
a formally registered symbol identifying the manufacturer or distributor of a product

trademark (verb)	Ping-Pong (verb)
register the trademark of
mark with a brand or trademark