carefreeness vs lightsomeness

carefreeness and lightsomeness both are nouns.

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

As nouns, carefreeness and lightsomeness are synonyms defined as:

carefreeness and lightsomeness: the cheerful feeling you have when nothing is troubling you

Other synonyms of carefreeness include insouciance, lightheartedness.

carefreeness (noun)	lightsomeness (noun)
the trait of being without worry or responsibility	the trait of being lighthearted and frivolous
the cheerful feeling you have when nothing is troubling you	the gracefulness of a person or animal that is quick and nimble
	the cheerful feeling you have when nothing is troubling you