Sellotape vs trademark

Sellotape and trademark both are nouns.

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

Sellotape (noun)	trademark (noun)
transparent or semitransparent adhesive tape (trade names Scotch tape and Sellotape) used for sealing or attaching or mending	a distinctive characteristic or attribute of someone or something
	a formally registered symbol identifying the manufacturer or distributor of a product

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