mark vs label

mark and label both are nouns.

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

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

As verbs, mark and label are synonyms defined as:

Other synonyms of mark include tag.

As verbs, label is a hypernym of mark; that is, label is a word with a broader meaning than mark:

mark (noun)	label (noun)
something that exactly succeeds in achieving its goal	an identifying or descriptive marker that is attached to an object
an indication of damage	a brief description given for purposes of identification
a marking that consists of lines that cross each other	trade name of a company that produces musical recordings
the impression created by doing something unusual or extraordinary that people notice and remember	a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction
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)	label (verb)
make or leave a mark on	distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions
insert punctuation marks into	distinguish (as a compound or molecule) by introducing a labeled atom
assign a grade or rank to, according to one's evaluation	assign a label to; designate with a label
celebrate by some ceremony or observation	pronounce judgment on
put a check mark on or near or next to	attach a tag or label 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