fruit sugar vs laevulose

fruit sugar and laevulose both are nouns.

Word	Noun	Adjective	Verb	Adverb
fruit sugar	Yes	No	No	No
laevulose	Yes	No	No	No

As nouns, fruit sugar and laevulose are synonyms defined as:

fruit sugar and laevulose: a simple sugar found in honey and in many ripe fruits

Other synonyms of fruit sugar include fructose, levulose.

fruit sugar (noun)	laevulose (noun)
a simple sugar found in honey and in many ripe fruits	a simple sugar found in honey and in many ripe fruits