sherbet vs sherbert

sherbet and sherbert both are nouns.

Word	Noun	Adjective	Verb	Adverb
sherbet	Yes	No	No	No
sherbert	Yes	No	No	No

As nouns, sherbet and sherbert are synonyms defined as:

sherbet and sherbert: a frozen dessert made primarily of fruit juice and sugar, but also containing milk or egg-white or gelatin

sherbet (noun)	sherbert (noun)
a frozen dessert made primarily of fruit juice and sugar, but also containing milk or egg-white or gelatin	a frozen dessert made primarily of fruit juice and sugar, but also containing milk or egg-white or gelatin