composedness vs harmony

composedness and harmony both are nouns.

Word	Noun	Adjective	Verb	Adverb
composedness	Yes	No	No	No
harmony	Yes	No	No	No

As nouns, harmony is a hypernym of composedness; that is, harmony is a word with a broader meaning than composedness:

Other hypernyms of composedness include harmoniousness.

composedness (noun)	harmony (noun)
The state or quality of showing composure.	an agreeable sound property
	compatibility in opinion and action
	agreement of opinions
	the structure of music with respect to the composition and progression of chords
	a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole