marker vs trademark

marker and trademark both are nouns.

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

As nouns, trademark is a hyponym of marker; that is, trademark is a word with a more specific, narrower meaning than marker:

marker: a distinguishing symbol
trademark: a formally registered symbol identifying the manufacturer or distributor of a product

marker (noun)	trademark (noun)
some conspicuous object used to distinguish or mark something	a distinctive characteristic or attribute of someone or something
a writing implement for making a mark	a formally registered symbol identifying the manufacturer or distributor of a product
a distinguishing symbol

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