chip shot vs approach shot

chip shot and approach shot both are nouns.

Word	Noun	Adjective	Verb	Adverb
chip shot	Yes	No	No	No
approach shot	Yes	No	No	No

As nouns, approach shot is a hypernym of chip shot; that is, approach shot is a word with a broader meaning than chip shot:

chip shot: (golf) a low running approach shot
approach shot: a relatively short golf shot intended to put the ball onto the putting green

Other hypernyms of chip shot include approach.

chip shot (noun)	approach shot (noun)
(golf) a low running approach shot	a relatively short golf shot intended to put the ball onto the putting green