purification vs cleaning

purification and cleaning both are nouns.

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

As nouns, cleaning is a hypernym of purification; that is, cleaning is a word with a broader meaning than purification:

Other hypernyms of purification include cleansing, cleanup.

purification (noun)	cleaning (noun)
the act of cleaning by getting rid of impurities	the act of making something clean
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.)