purgation vs purge

purgation and purge both are nouns.

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

As nouns, purge is a hypernym of purgation; that is, purge is a word with a broader meaning than purgation:

purgation: purging the body by the use of a cathartic to stimulate evacuation of the bowels
purge: an act of removing by cleansing; ridding of sediment or other undesired elements

Other hypernyms of purgation include purging.

As nouns, purgation and purge are synonyms defined as:

purgation and purge: the act of clearing yourself (or another) from some stigma or charge

Other synonyms of purgation include purging.

purgation (noun)	purge (noun)
purging the body by the use of a cathartic to stimulate evacuation of the bowels	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	the act of clearing yourself (or another) from some stigma or charge
a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites	an abrupt or sudden removal of a person or group from an organization or place

purgation (verb)	purge (verb)
	excrete or evacuate (someone's bowels or body)
	eject the contents of the stomach through the mouth
	rid of impurities
	rinse, clean, or empty with a liquid
	make pure or free from sin or guilt
	clear of a charge
	oust politically