refining vs purification

refining and purification both are nouns.

Word	Noun	Adjective	Verb	Adverb
refining	Yes	No	No	No
purification	Yes	No	No	No

As nouns, refining and purification are synonyms defined as:

refining and purification: the process of removing impurities (as from oil or metals or sugar etc.)

Other synonyms of refining include refinement.

refining (noun)	purification (noun)
the process of removing impurities (as from oil or metals or sugar etc.)	the act of cleaning by getting rid of impurities
	the act of purging of sin or guilt; moral or spiritual cleansing
	a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
	the process of removing impurities (as from oil or metals or sugar etc.)