steroid vs bile acid

steroid and bile acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
steroid	Yes	No	No	No
bile acid	Yes	No	No	No

As nouns, bile acid is a hyponym of steroid; that is, bile acid 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
bile acid: any of the steroid acids generated in the liver and stored with bile

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

steroid (noun)	bile acid (noun)
any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects	any of the steroid acids generated in the liver and stored with bile
any hormone affecting the development and growth of sex organs