potentiality vs reach

potentiality and reach both are nouns.

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

As nouns, reach is a hyponym of potentiality; that is, reach is a word with a more specific, narrower meaning than potentiality:

Other hyponyms of potentiality include perfectibility, compass, grasp, range, imperfectibility.

potentiality (noun)	reach (noun)
an aptitude that may be developed	the act of physically reaching or thrusting out
the inherent capacity for coming into being	an area in which something acts or operates or has power or control:
	the limit of capability
	the limits within which something can be effective

potentiality (verb)	reach (verb)
	be in or establish communication with
	to exert much effort or energy
	move forward or upward in order to touch; also in a metaphorical sense
	reach a point in time, or a certain state or level
	reach a destination, either real or abstract
	reach a goal
	place into the hands or custody of
	to gain with effort
	to extend as far as