Pippin vs eating apple

Pippin and eating apple both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pippin	Yes	No	No	No
eating apple	Yes	No	No	No

As nouns, eating apple is a hypernym of Pippin; that is, eating apple is a word with a broader meaning than Pippin:

Pippin: any of numerous superior eating apples with yellow or greenish yellow skin flushed with red
eating apple: an apple used primarily for eating raw without cooking

Other hypernyms of Pippin include dessert apple.

Pippin (noun)	eating apple (noun)
any of numerous superior eating apples with yellow or greenish yellow skin flushed with red	an apple used primarily for eating raw without cooking