tablespoonful vs tablespoon

tablespoonful and tablespoon both are nouns.

Word	Noun	Adjective	Verb	Adverb
tablespoonful	Yes	No	No	No
tablespoon	Yes	No	No	No

As nouns, tablespoonful and tablespoon are synonyms defined as:

tablespoonful (noun)	tablespoon (noun)
as much as a tablespoon will hold	a spoon larger than a dessert spoon; used for serving
	as much as a tablespoon will hold