pancreas vs exocrine gland

pancreas and exocrine gland both are nouns.

Word	Noun	Adjective	Verb	Adverb
pancreas	Yes	No	No	No
exocrine gland	Yes	No	No	No

As nouns, exocrine gland is a hypernym of pancreas; that is, exocrine gland is a word with a broader meaning than pancreas:

pancreas: a large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin
exocrine gland: a gland that secretes externally through a duct

Other hypernyms of pancreas include duct gland, exocrine.

pancreas (noun)	exocrine gland (noun)
a large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin	a gland that secretes externally through a duct