thimbleful vs thimble

thimbleful and thimble both are nouns.

Word	Noun	Adjective	Verb	Adverb
thimbleful	Yes	No	No	No
thimble	Yes	No	No	No

As nouns, thimbleful and thimble are synonyms defined as:

thimbleful (noun)	thimble (noun)
as much as a thimble will hold	a small metal cap to protect the finger while sewing; can be used as a small container
	as much as a thimble will hold