clairvoyance vs second sight

clairvoyance and second sight both are nouns.

Word	Noun	Adjective	Verb	Adverb
clairvoyance	Yes	No	No	No
second sight	Yes	No	No	No

As nouns, clairvoyance and second sight are synonyms defined as:

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

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

clairvoyance (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