extrasensory perception vs second sight

extrasensory perception and second sight both are nouns.

Word	Noun	Adjective	Verb	Adverb
extrasensory perception	Yes	No	No	No
second sight	Yes	No	No	No

As nouns, extrasensory perception and second sight are synonyms defined as:

extrasensory perception and second sight: apparent power to perceive things that are not present to the senses

Other synonyms of extrasensory perception include clairvoyance, E.S.P., ESP.

extrasensory perception (noun)	second sight (noun)
apparent power to perceive things that are not present to the senses	apparent power to perceive things that are not present to the senses