secretory organ vs secreter

secretory organ and secreter both are nouns.

Word	Noun	Adjective	Verb	Adverb
secretory organ	Yes	No	No	No
secreter	Yes	No	No	No

As nouns, secretory organ and secreter are synonyms defined as:

secretory organ and secreter: any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream

Other synonyms of secretory organ include gland, secretor.

secretory organ (noun)	secreter (noun)
any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream	any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream