inadequate vs incapable

inadequate and incapable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inadequate	No	Yes	No	No
incapable	No	Yes	No	No

inadequate (adjective)	incapable (adjective)
lacking the requisite qualities or resources to meet a task	(followed by `of') lacking capacity or ability
of insufficient quantity to meet a need	(followed by `of') not having the temperament or inclination for
	not meeting requirements
	not being susceptible to or admitting of something (usually followed by `of')