learn vs tutor

learn is not a noun while tutor is a noun.

Word	Noun	Adjective	Verb	Adverb
learn	No	No	Yes	No
tutor	Yes	No	Yes	No

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

learn (noun)	tutor (noun)
	a person who gives private instruction (as in singing, acting, etc.)

learn (verb)	tutor (verb)
gain knowledge or skills	be a tutor to someone; give individual instruction
get to know or become aware of, usually accidentally	act as a guardian to someone
be a student of a certain subject
commit to memory; learn by heart
impart skills or knowledge to
find out, learn, or determine with certainty, usually by making an inquiry or other effort