purge vs purgation

purge and purgation both are nouns.

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

As nouns, purgation is a hyponym of purge; that is, purgation is a word with a more specific, narrower meaning than purge:

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

Other hyponyms of purge include abreaction, catharsis, katharsis, catharsis, katharsis.

As nouns, purge and purgation are synonyms defined as:

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

Other synonyms of purge include purging.

purge (noun)	purgation (noun)
an act of removing by cleansing; ridding of sediment or other undesired elements	purging the body by the use of a cathartic to stimulate evacuation of the bowels
the act of clearing yourself (or another) from some stigma or charge	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	a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites

purge (verb)	purgation (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