trademark vs Caterpillar

trademark and Caterpillar both are nouns.

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

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

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