progestogen vs progestin

progestogen and progestin both are nouns.

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

As nouns, progestogen and progestin are synonyms defined as:

progestogen and progestin: any of a group of steroid hormones that have the effect of progesterone

progestogen (noun)	progestin (noun)
any of a group of steroid hormones that have the effect of progesterone	any of a group of steroid hormones that have the effect of progesterone