loathsomeness vs lousiness

loathsomeness and lousiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
loathsomeness	Yes	No	No	No
lousiness	Yes	No	No	No

As nouns, loathsomeness and lousiness are synonyms defined as:

loathsomeness and lousiness: the quality of being disgusting to the senses or emotions

Other synonyms of loathsomeness include repulsiveness, sliminess, vileness, wickedness.

loathsomeness (noun)	lousiness (noun)
the quality of being disgusting to the senses or emotions	the quality of being disgusting to the senses or emotions
	infestation with lice (Pediculus humanus) resulting in severe itching