pancreas vs duct gland

pancreas and duct gland both are nouns.

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

As nouns, duct gland is a hypernym of pancreas; that is, duct 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
duct gland: a gland that secretes externally through a duct

Other hypernyms of pancreas include exocrine, exocrine gland.

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