aloneness vs lonesomeness

aloneness and lonesomeness both are nouns.

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

As nouns, aloneness and lonesomeness are synonyms defined as:

Other synonyms of aloneness include loneliness, solitariness.

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