capableness vs potentiality

capableness and potentiality both are nouns.

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

As nouns, capableness and potentiality are synonyms defined as:

Other synonyms of capableness include capability.

capableness (noun)	potentiality (noun)
the quality of being capable -- physically or intellectually or legally	an aptitude that may be developed
an aptitude that may be developed	the inherent capacity for coming into being