pervasion vs saturation

pervasion and saturation both are nouns.

Word	Noun	Adjective	Verb	Adverb
pervasion	Yes	No	No	No
saturation	Yes	No	No	No

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

Other hyponyms of pervasion include ammonification, carbonation, impregnation.

pervasion (noun)	saturation (noun)
the process of permeating or infusing something with a substance	the act of soaking thoroughly with a liquid
	chromatic purity: freedom from dilution with white and hence vivid in hue
	the process of totally saturating something with a substance
	a condition in which a quantity no longer responds to some external influence