ESP vs second sight

ESP and second sight both are nouns.

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

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

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

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

ESP (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