aestivate vs aestivation

aestivate is not a noun while aestivation is a noun.

Word	Noun	Adjective	Verb	Adverb
aestivate	No	No	Yes	No
aestivation	Yes	No	No	No

aestivate (noun)	aestivation (noun)
	(botany) the arrangement of sepals and petals in a flower bud before it opens
	(zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period

aestivate (verb)	aestivation (verb)
sleep during summer