protirelin vs thyrotropin-releasing factor

protirelin and thyrotropin-releasing factor both are nouns.

Word	Noun	Adjective	Verb	Adverb
protirelin	Yes	No	No	No
thyrotropin-releasing factor	Yes	No	No	No

As nouns, protirelin and thyrotropin-releasing factor are synonyms defined as:

protirelin and thyrotropin-releasing factor: hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary

Other synonyms of protirelin include thyrotropin-releasing hormone, TRF, TRH.

protirelin (noun)	thyrotropin-releasing factor (noun)
hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary	hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary