spiritlessness vs passiveness

spiritlessness and passiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
spiritlessness	Yes	No	No	No
passiveness	Yes	No	No	No

As nouns, passiveness is a hypernym of spiritlessness; that is, passiveness is a word with a broader meaning than spiritlessness:

spiritlessness: the trait of lacking enthusiasm for or interest in things generally
passiveness: the trait of remaining inactive; a lack of initiative

Other hypernyms of spiritlessness include passivity.

spiritlessness (noun)	passiveness (noun)
the trait of lacking enthusiasm for or interest in things generally	the trait of remaining inactive; a lack of initiative
	submission to others or to outside influences