SK-Ampicillin vs trademark

SK-Ampicillin and trademark both are nouns.

Word	Noun	Adjective	Verb	Adverb
SK-Ampicillin	Yes	No	No	No
trademark	Yes	No	Yes	No

SK-Ampicillin (noun)	trademark (noun)
semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

SK-Ampicillin (verb)	trademark (verb)
	register the trademark of
	mark with a brand or trademark