luteotropin vs lactogen

luteotropin and lactogen both are nouns.

Word	Noun	Adjective	Verb	Adverb
luteotropin	Yes	No	No	No
lactogen	Yes	No	No	No

As nouns, lactogen is a hypernym of luteotropin; that is, lactogen is a word with a broader meaning than luteotropin:

luteotropin: gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition
lactogen: any agent that enhances milk production

Other hypernyms of luteotropin include gonadotrophic hormone, gonadotrophin, gonadotropic hormone, gonadotropin.

luteotropin (noun)	lactogen (noun)
gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition	any agent that enhances milk production