gleefulness vs glee

gleefulness and glee both are nouns.

Word	Noun	Adjective	Verb	Adverb
gleefulness	Yes	No	No	No
glee	Yes	No	No	No

As nouns, gleefulness and glee are synonyms defined as:

Other synonyms of gleefulness include hilarity, mirth, mirthfulness.

gleefulness (noun)	glee (noun)
great merriment	great merriment
	malicious satisfaction