alcohol vs sterol

alcohol and sterol both are nouns.

Word	Noun	Adjective	Verb	Adverb
alcohol	Yes	No	No	No
sterol	Yes	No	No	No

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

alcohol: any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation
sterol: any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances

alcohol (noun)	sterol (noun)
a liquor or brew containing alcohol as the active agent	any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation