trademark vs Freon

trademark and Freon both are nouns.

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

trademark (noun)	Freon (noun)
a distinctive characteristic or attribute of someone or something	any one or more chlorofluorocarbons (or related compounds) that are used as an aerosol propellant, organic solvent, or refrigerant
a formally registered symbol identifying the manufacturer or distributor of a product

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