ketosteroid vs oestrone

ketosteroid and oestrone both are nouns.

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

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

ketosteroid: a steroid containing a ketone group
oestrone: 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, Estronol, theelin, cortisone, Cortone Acetate.

ketosteroid (noun)	oestrone (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