lightsomeness vs gracefulness

lightsomeness and gracefulness both are nouns.

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

As nouns, gracefulness is a hypernym of lightsomeness; that is, gracefulness is a word with a broader meaning than lightsomeness:

lightsomeness: the gracefulness of a person or animal that is quick and nimble
gracefulness: beautiful carriage

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