mark vs trademark

mark and trademark both are nouns.

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

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

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

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

Other hyponyms of mark include brand, brandmark, point, point, point, calibrate, code, badge, favorite, favourite.

mark (noun)	trademark (noun)
something that exactly succeeds in achieving its goal	a distinctive characteristic or attribute of someone or something
an indication of damage	a formally registered symbol identifying the manufacturer or distributor of a product
a marking that consists of lines that cross each other
the impression created by doing something unusual or extraordinary that people notice and remember
a number or letter indicating quality (especially of a student's performance)
a written or printed symbol (as for punctuation)
a symbol of disgrace or infamy
a distinguishing symbol
a visible indication made on a surface
a reference point to shoot at
a perceptible indication of something not immediately apparent (as a visible clue that something has happened)
a person who is gullible and easy to take advantage of
formerly the basic unit of money in Germany

mark (verb)	trademark (verb)
make or leave a mark on	register the trademark of
insert punctuation marks into	mark with a brand or trademark
assign a grade or rank to, according to one's evaluation
celebrate by some ceremony or observation
put a check mark on or near or next to
be a distinctive feature, attribute, or trait; sometimes in a very positive sense
make underscoring marks
remove from a list
designate as if by a mark
establish as the highest level or best performance
make small marks into the surface of
mark with a scar
attach a tag or label to
notice or perceive
to accuse or condemn or openly or formally or brand as disgraceful