extravasation vs extravasate

extravasation is a noun but extravasate is not a noun.

Word	Noun	Adjective	Verb	Adverb
extravasation	Yes	No	No	No
extravasate	No	No	Yes	No

extravasation (noun)	extravasate (noun)
the process of exuding or passing out of a vessel into surrounding tissues; said of blood or lymph or urine
(of volcanoes) pouring out fumes or lava (or a deposit so formed)
an extravasated liquid (blood or lymph or urine); the product of extravasation

extravasation (verb)	extravasate (verb)
	cause molten material, such as lava, to pour forth
	become active and spew forth lava and rocks
	force out or cause to escape from a proper vessel or channel