exocrine gland vs secreter

exocrine gland and secreter both are nouns.

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

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

exocrine gland: a gland that secretes externally through a duct
secreter: any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream

Other hypernyms of exocrine gland include gland, secretor, secretory organ.

exocrine gland (noun)	secreter (noun)
a gland that secretes externally through a duct	any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream