patch vs mend

patch and mend both are nouns.

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

As nouns, patch and mend are synonyms defined as:

patch and mend: sewing that repairs a worn or torn hole (especially in a garment)

Other synonyms of patch include darn.

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

patch: mend by putting a patch on
mend: restore by replacing a part or putting together what is torn or broken

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

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

patch: repair by adding pieces
mend: restore by replacing a part or putting together what is torn or broken

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

patch (noun)	mend (noun)
a piece of cloth used as decoration or to mend or cover a hole	the act of putting something in working order again
sewing that repairs a worn or torn hole (especially in a garment)	sewing that repairs a worn or torn hole (especially in a garment)
a protective cloth covering for an injured eye
a connection intended to be used for a limited time
a piece of soft material that covers and protects an injured part of the body
a small contrasting part of something
a short set of commands to correct a bug in a computer program
a small area of ground covered by specific vegetation
a period of indeterminate length (usually short) marked by some action or condition

patch (verb)	mend (verb)
mend by putting a patch on	restore by replacing a part or putting together what is torn or broken
repair by adding pieces	heal or recover
to join or unite the pieces of
provide with a patch; also used metaphorically