motilin vs GI hormones

motilin and GI hormones both are nouns.

Word	Noun	Adjective	Verb	Adverb
motilin	Yes	No	No	No
GI hormones	Yes	No	No	No

As nouns, GI hormones is a hypernym of motilin; that is, GI hormones is a word with a broader meaning than motilin:

motilin: a gastrointestinal hormone that apparently participates in controlling smooth muscle contractions in the stomach and small intestine
GI hormones: hormones that affect gastrointestinal functioning

Other hypernyms of motilin include gastrointestinal hormone.

motilin (noun)	GI hormones (noun)
a gastrointestinal hormone that apparently participates in controlling smooth muscle contractions in the stomach and small intestine	hormones that affect gastrointestinal functioning