oestrone vs ketosteroid

oestrone and ketosteroid both are nouns.

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

As nouns, ketosteroid is a hypernym of oestrone; that is, ketosteroid is a word with a broader meaning than oestrone:

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

Other hypernyms of oestrone include estrogen, oestrogen.

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