sherbert vs sherbet

sherbert and sherbet both are nouns.

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

As nouns, sherbert and sherbet are synonyms defined as:

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

sherbert (noun)	sherbet (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