unable vs incapable

unable and incapable both are adjectives.

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

unable (adjective)	incapable (adjective)
(usually followed by `to') not having the necessary means or skill or know-how	(followed by `of') lacking capacity or ability
lacking in power or forcefulness	(followed by `of') not having the temperament or inclination for
(usually followed by `to') lacking necessary physical or mental ability	not meeting requirements
	not being susceptible to or admitting of something (usually followed by `of')