purify vs ameliorate

purify and ameliorate both are verbs.

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

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

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

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

purify (verb)	ameliorate (verb)
remove impurities from, increase the concentration of, and separate through the process of distillation	get better
make pure or free from sin or guilt	to make better
become clean or pure or free of guilt and sin