learn vs unteach

learn and unteach both are verbs.

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

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

learn: impart skills or knowledge to
unteach: cause to disbelieve; teach someone the contrary of what he or she had learned earlier

learn (verb)	unteach (verb)
gain knowledge or skills	cause to disbelieve; teach someone the contrary of what he or she had learned earlier
get to know or become aware of, usually accidentally	cause to unlearn
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