thyrotropic hormone vs thyrotrophin

thyrotropic hormone and thyrotrophin both are nouns.

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

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

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

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

thyrotropic 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