Caterpillar vs trademark

Caterpillar and trademark both are nouns.

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

Caterpillar (noun)	trademark (noun)
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

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