norgestrel vs progestogen

norgestrel and progestogen both are nouns.

Word	Noun	Adjective	Verb	Adverb
norgestrel	Yes	No	No	No
progestogen	Yes	No	No	No

As nouns, progestogen is a hypernym of norgestrel; that is, progestogen is a word with a broader meaning than norgestrel:

norgestrel: synthetic progestin used in oral contraceptives
progestogen: any of a group of steroid hormones that have the effect of progesterone

Other hypernyms of norgestrel include progestin.

norgestrel (noun)	progestogen (noun)
synthetic progestin used in oral contraceptives	any of a group of steroid hormones that have the effect of progesterone