dessertspoonful vs dessertspoon

dessertspoonful and dessertspoon both are nouns.

Word	Noun	Adjective	Verb	Adverb
dessertspoonful	Yes	No	No	No
dessertspoon	Yes	No	No	No

As nouns, dessertspoonful and dessertspoon are synonyms defined as:

dessertspoonful (noun)	dessertspoon (noun)
as much as a dessert spoon will hold	as much as a dessert spoon will hold