woe vs wretchedness

woe and wretchedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
woe	Yes	No	No	No
wretchedness	Yes	No	No	No

As nouns, wretchedness is a hypernym of woe; that is, wretchedness is a word with a broader meaning than woe:

Other hypernyms of woe include miserableness, misery.

woe (noun)	wretchedness (noun)
intense mournfulness	the quality of being poor and inferior and sorry
misery resulting from affliction	a state of ill-being due to affliction or misfortune
	the character of being uncomfortable and unpleasant