repoint vs mend

repoint is not a noun while mend is a noun.

Word	Noun	Adjective	Verb	Adverb
repoint	No	No	Yes	No
mend	Yes	No	Yes	No

As verbs, mend is a hypernym of repoint; that is, mend is a word with a broader meaning than repoint:

repoint: repair the joints of bricks
mend: restore by replacing a part or putting together what is torn or broken

Other hypernyms of repoint include bushel, doctor, fix, furbish up, repair, restore, touch on.

repoint (noun)	mend (noun)
	the act of putting something in working order again
	sewing that repairs a worn or torn hole (especially in a garment)

repoint (verb)	mend (verb)
repair the joints of bricks	restore by replacing a part or putting together what is torn or broken
	heal or recover