sugar vs kale

sugar and kale both are nouns.

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

As nouns, sugar and kale are synonyms defined as:

sugar (noun)	kale (noun)
a white crystalline carbohydrate used as a sweetener and preservative	coarse curly-leafed cabbage
informal terms for money	a hardy cabbage with coarse curly leaves that do not form a head
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	informal terms for money

sugar (verb)	kale (verb)
sweeten with sugar