STH vs Protropin

STH and Protropin both are nouns.

Word	Noun	Adjective	Verb	Adverb
STH	Yes	No	No	No
Protropin	Yes	No	No	No

As nouns, Protropin is a hyponym of STH; that is, Protropin is a word with a more specific, narrower meaning than STH:

STH: a hormone produced by the anterior pituitary gland; promotes growth in humans
Protropin: trade name of a synthetic human growth hormone given to children deficient in the hormone; use by athletes and weightlifters is banned

STH (noun)	Protropin (noun)
a hormone produced by the anterior pituitary gland; promotes growth in humans	trade name of a synthetic human growth hormone given to children deficient in the hormone; use by athletes and weightlifters is banned