make pure vs amend

make pure and amend both are verbs.

Word	Noun	Adjective	Verb	Adverb
make pure	No	No	Yes	No
amend	No	No	Yes	No

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

make pure: remove impurities from, increase the concentration of, and separate through the process of distillation
amend: to make better

Other hypernyms of make pure include ameliorate, better, improve, meliorate.

make pure (verb)	amend (verb)
remove impurities from, increase the concentration of, and separate through the process of distillation	to make better
	set straight or right
	make amendments to