purify vs amend

purify and amend both are verbs.

Word	Noun	Adjective	Verb	Adverb
purify	No	No	Yes	No
amend	No	No	Yes	No

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

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

Other hypernyms of purify include ameliorate, better, improve, meliorate.

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