theme song vs air

theme song and air both are nouns.

Word	Noun	Adjective	Verb	Adverb
theme song	Yes	No	No	No
air	Yes	No	Yes	No

As nouns, air is a hypernym of theme song; that is, air is a word with a broader meaning than theme song:

theme song: a melody that recurs and comes to represent a musical play or movie
air: a succession of notes forming a distinctive sequence

Other hypernyms of theme song include line, melodic line, melodic phrase, melody, strain, tune.

As nouns, air is a hypernym of theme song; that is, air is a word with a broader meaning than theme song:

theme song: a melody used to identify a performer or a dance band or radio/tv program
air: a succession of notes forming a distinctive sequence

Other hypernyms of theme song include line, melodic line, melodic phrase, melody, strain, tune.

theme song (noun)	air (noun)
a melody that recurs and comes to represent a musical play or movie	travel via aircraft
a melody used to identify a performer or a dance band or radio/tv program	a distinctive but intangible quality surrounding a person or thing
	a succession of notes forming a distinctive sequence
	medium for radio and television broadcasting
	the region above the ground
	the mass of air surrounding the Earth
	a slight wind (usually refreshing)
	a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
	once thought to be one of four elements composing the universe (Empedocles), associated with the humour blood

theme song (verb)	air (verb)
	expose to cool or cold air so as to cool or freshen
	expose to warm or heated air, so as to dry
	make public
	broadcast over the airwaves, as in radio or television
	be broadcast
	expose to fresh air