dispiritedness vs downheartedness

dispiritedness and downheartedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
dispiritedness	Yes	No	No	No
downheartedness	Yes	No	No	No

As nouns, dispiritedness and downheartedness are synonyms defined as:

Other synonyms of dispiritedness include dejectedness, low-spiritedness, lowness.

dispiritedness (noun)	downheartedness (noun)
a feeling of low spirits	a feeling of low spirits