Aqua-Lung vs trademark

Aqua-Lung and trademark both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aqua-Lung	Yes	No	No	No
trademark	Yes	No	Yes	No

Aqua-Lung (noun)	trademark (noun)
a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

Aqua-Lung (verb)	trademark (verb)
	register the trademark of
	mark with a brand or trademark