purging vs clearing

purging and clearing both are nouns.

Word	Noun	Adjective	Verb	Adverb
purging	Yes	Yes	No	No
clearing	Yes	No	No	No

As nouns, clearing is a hypernym of purging; that is, clearing is a word with a broader meaning than purging:

purging: the act of clearing yourself (or another) from some stigma or charge
clearing: the act of freeing from suspicion

purging (noun)	clearing (noun)
an act of removing by cleansing; ridding of sediment or other undesired elements	the act of freeing from suspicion
the act of clearing yourself (or another) from some stigma or charge	the act of removing solid particles from a liquid
	a tract of land with few or no trees in the middle of a wooded area

purging (adjective)	clearing (adjective)
serving to purge or rid of sin