steroid vs ketosteroid

steroid and ketosteroid both are nouns.

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

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

steroid: any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
ketosteroid: a steroid containing a ketone group

Other hyponyms of steroid include steroid alcohol, sterol, bile acid, cardiac glucoside, cardiac glycoside.

steroid (noun)	ketosteroid (noun)
any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects	a steroid containing a ketone group
any hormone affecting the development and growth of sex organs