executability vs capableness

executability and capableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
executability	Yes	No	No	No
capableness	Yes	No	No	No

As nouns, capableness is a hypernym of executability; that is, capableness is a word with a broader meaning than executability:

executability: capability of being executed
capableness: the quality of being capable -- physically or intellectually or legally

Other hypernyms of executability include capability.

executability (noun)	capableness (noun)
capability of being executed	the quality of being capable -- physically or intellectually or legally
	an aptitude that may be developed