trademark vs Photostat

trademark and Photostat both are nouns.

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

trademark (noun)	Photostat (noun)
a distinctive characteristic or attribute of someone or something	a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper
a formally registered symbol identifying the manufacturer or distributor of a product

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