human growth hormone vs STH

human growth hormone and STH both are nouns.

Word	Noun	Adjective	Verb	Adverb
human growth hormone	Yes	No	No	No
STH	Yes	No	No	No

As nouns, human growth hormone and STH are synonyms defined as:

human growth hormone and STH: a hormone produced by the anterior pituitary gland; promotes growth in humans

Other synonyms of human growth hormone include growth hormone, somatotrophic hormone, somatotrophin, somatotropic hormone, somatotropin.

human growth hormone (noun)	STH (noun)
a hormone produced by the anterior pituitary gland; promotes growth in humans	a hormone produced by the anterior pituitary gland; promotes growth in humans