lightsomeness vs lightsome

lightsomeness is a noun but lightsome is not a noun.

Word	Noun	Adjective	Verb	Adverb
lightsomeness	Yes	No	No	No
lightsome	No	Yes	No	No

lightsomeness (noun)	lightsome (noun)
the trait of being lighthearted and frivolous
the gracefulness of a person or animal that is quick and nimble
the cheerful feeling you have when nothing is troubling you

lightsomeness (adjective)	lightsome (adjective)
	carefree and happy and lighthearted
	moving easily and quickly; nimble