friendlessness vs loneliness

friendlessness and loneliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
friendlessness	Yes	No	No	No
loneliness	Yes	No	No	No

As nouns, loneliness is a hypernym of friendlessness; that is, loneliness is a word with a broader meaning than friendlessness:

Other hypernyms of friendlessness include aloneness, lonesomeness, solitariness.

friendlessness (noun)	loneliness (noun)
being without friends	a disposition toward being alone
	sadness resulting from being forsaken or abandoned
	the state of being alone in solitary isolation