purge vs purify

purge is a noun but purify is not a noun.

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

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

purge: rid of impurities
purify: remove impurities from, increase the concentration of, and separate through the process of distillation

Other hypernyms of purge include distil, distill, make pure, sublimate.

As verbs, purge and purify are synonyms defined as:

Other synonyms of purge include sanctify.

purge (noun)	purify (noun)
an act of removing by cleansing; ridding of sediment or other undesired elements
the act of clearing yourself (or another) from some stigma or charge
an abrupt or sudden removal of a person or group from an organization or place

purge (verb)	purify (verb)
excrete or evacuate (someone's bowels or body)	remove impurities from, increase the concentration of, and separate through the process of distillation
eject the contents of the stomach through the mouth	make pure or free from sin or guilt
rid of impurities	become clean or pure or free of guilt and sin
rinse, clean, or empty with a liquid
make pure or free from sin or guilt
clear of a charge
oust politically