cobble vs mend

cobble and mend both are nouns.

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

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

cobble: repair or mend
mend: restore by replacing a part or putting together what is torn or broken

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

cobble (noun)	mend (noun)
rectangular paving stone with curved top; once used to make roads	the act of putting something in working order again
	sewing that repairs a worn or torn hole (especially in a garment)

cobble (verb)	mend (verb)
repair or mend	restore by replacing a part or putting together what is torn or broken
pave with cobblestones	heal or recover