latency vs potentiality

latency and potentiality both are nouns.

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

As nouns, potentiality is a hypernym of latency; that is, potentiality is a word with a broader meaning than latency:

Other hypernyms of latency include potency, potential.

latency (noun)	potentiality (noun)
the state of being not yet evident or active	an aptitude that may be developed
the time that elapses between a stimulus and the response to it	the inherent capacity for coming into being
(computer science) the time it takes for a specific block of data on a data track to rotate around to the read/write head