saturation vs saturate

saturation is a noun but saturate is not a noun.

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

saturation (noun)	saturate (noun)
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

saturation (verb)	saturate (verb)
	cause (a chemical compound, vapour, solution, magnetic material) to unite with the greatest possible amount of another substance
	infuse or fill completely