ketosteroid vs Estronol

ketosteroid and Estronol both are nouns.

Word	Noun	Adjective	Verb	Adverb
ketosteroid	Yes	No	No	No
Estronol	Yes	No	No	No

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

ketosteroid: a steroid containing a ketone group
Estronol: a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency

Other hyponyms of ketosteroid include androsterone, estrone, oestrone, theelin, cortisone, Cortone Acetate.

ketosteroid (noun)	Estronol (noun)
a steroid containing a ketone group	a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency