sugar vs beet sugar

sugar and beet sugar both are nouns.

Word	Noun	Adjective	Verb	Adverb
sugar	Yes	No	Yes	No
beet sugar	Yes	No	No	No

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

sugar: a white crystalline carbohydrate used as a sweetener and preservative
beet sugar: sugar from sugar beets used as sweetening agent

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

sugar: an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
beet sugar: sugar made from sugar beets

sugar (noun)	beet sugar (noun)
a white crystalline carbohydrate used as a sweetener and preservative	sugar from sugar beets used as sweetening agent
informal terms for money	sugar made from sugar beets
an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain

sugar (verb)	beet sugar (verb)
sweeten with sugar