touch on vs amend

touch on and amend both are verbs.

Word	Noun	Adjective	Verb	Adverb
touch on	No	No	Yes	No
amend	No	No	Yes	No

As verbs, amend is a hypernym of touch on; that is, amend is a word with a broader meaning than touch on:

touch on: restore by replacing a part or putting together what is torn or broken
amend: to make better

Other hypernyms of touch on include ameliorate, better, improve, meliorate.

touch on (verb)	amend (verb)
restore by replacing a part or putting together what is torn or broken	to make better
have an effect upon	set straight or right
refer to or discuss briefly	make amendments to
be relevant to