litheness vs lissomeness

litheness and lissomeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
litheness	Yes	No	No	No
lissomeness	Yes	No	No	No

As nouns, litheness and lissomeness are synonyms defined as:

litheness and lissomeness: the gracefulness of a person or animal that is flexible and supple

Other synonyms of litheness include suppleness.

litheness (noun)	lissomeness (noun)
the gracefulness of a person or animal that is flexible and supple	the gracefulness of a person or animal that is flexible and supple