thyrotrophic hormone vs thyrotrophin

thyrotrophic hormone and thyrotrophin both are nouns.

Word	Noun	Adjective	Verb	Adverb
thyrotrophic hormone	Yes	No	No	No
thyrotrophin	Yes	No	No	No

As nouns, thyrotrophic hormone and thyrotrophin are synonyms defined as:

thyrotrophic hormone and thyrotrophin: anterior pituitary hormone that stimulates the function of the thyroid gland

Other synonyms of thyrotrophic hormone include thyroid-stimulating hormone, thyrotropic hormone, thyrotropin, TSH.

thyrotrophic hormone (noun)	thyrotrophin (noun)
anterior pituitary hormone that stimulates the function of the thyroid gland	anterior pituitary hormone that stimulates the function of the thyroid gland