lousiness vs loathsomeness

lousiness and loathsomeness both are nouns.

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

As nouns, lousiness and loathsomeness are synonyms defined as:

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

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

lousiness (noun)	loathsomeness (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