pilot program vs TV show

pilot program and TV show both are nouns.

Word	Noun	Adjective	Verb	Adverb
pilot program	Yes	No	No	No
TV show	Yes	No	No	No

As nouns, TV show is a hypernym of pilot program; that is, TV show is a word with a broader meaning than pilot program:

pilot program: a program exemplifying a contemplated series; intended to attract sponsors
TV show: a program broadcast by television

Other hypernyms of pilot program include television program, television show, TV program.

pilot program (noun)	TV show (noun)
activity planned as a test or trial	a program broadcast by television
a program exemplifying a contemplated series; intended to attract sponsors