bait casting vs casting

bait casting and casting both are nouns.

Word	Noun	Adjective	Verb	Adverb
bait casting	Yes	No	No	No
casting	Yes	No	No	No

As nouns, casting is a hypernym of bait casting; that is, casting is a word with a broader meaning than bait casting:

bait casting: the single-handed rod casting of a relatively heavy (artificial) bait
casting: the act of throwing a fishing line out over the water by means of a rod and reel

Other hypernyms of bait casting include cast.

bait casting (noun)	casting (noun)
the single-handed rod casting of a relatively heavy (artificial) bait	the act of creating something by casting it in a mold
	the act of throwing a fishing line out over the water by means of a rod and reel
	the choice of actors to play particular roles in a play or movie
	object formed by a mold