lonesomeness vs aloneness

lonesomeness and aloneness both are nouns.

Word	Noun	Adjective	Verb	Adverb
lonesomeness	Yes	No	No	No
aloneness	Yes	No	No	No

As nouns, lonesomeness and aloneness are synonyms defined as:

Other synonyms of lonesomeness include loneliness, solitariness.

lonesomeness (noun)	aloneness (noun)
a disposition toward being alone	a disposition toward being alone