impregnate vs impregnation

impregnate is not a noun while impregnation is a noun.

Word	Noun	Adjective	Verb	Adverb
impregnate	No	No	Yes	No
impregnation	Yes	No	No	No

impregnate (noun)	impregnation (noun)
	creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
	the process of totally saturating something with a substance
	material with which something is impregnated

impregnate (verb)	impregnation (verb)
make pregnant
fertilize and cause to grow
infuse or fill completely
fill, as with a certain quality