latency vs latent period

latency and latent period both are nouns.

Word	Noun	Adjective	Verb	Adverb
latency	Yes	No	No	No
latent period	Yes	No	No	No

As nouns, latency and latent period are synonyms defined as:

latency and latent period: the time that elapses between a stimulus and the response to it

Other synonyms of latency include reaction time, response time.

latency (noun)	latent period (noun)
the state of being not yet evident or active	the time that elapses before the presence of a disease is manifested by symptoms
the time that elapses between a stimulus and the response to it	the time that elapses between a stimulus and the response to it
(computer science) the time it takes for a specific block of data on a data track to rotate around to the read/write head