pilot film vs TV program

pilot film and TV program both are nouns.

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

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

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

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

pilot film (noun)	TV program (noun)
a program exemplifying a contemplated series; intended to attract sponsors	a program broadcast by television