Invar vs trademark

Invar and trademark both are nouns.

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

Invar (noun)	trademark (noun)
an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

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