incompleteness vs unity

incompleteness and unity both are nouns.

Word	Noun	Adjective	Verb	Adverb
incompleteness	Yes	No	No	No
unity	Yes	No	No	No

As nouns, unity is a hypernym of incompleteness; that is, unity is a word with a broader meaning than incompleteness:

incompleteness: the state of being crude and incomplete and imperfect
unity: an undivided or unbroken completeness or totality with nothing wanting

Other hypernyms of incompleteness include integrity, wholeness.

incompleteness (noun)	unity (noun)
the state of being crude and incomplete and imperfect	the quality of being united into one
	the smallest whole number or a numeral representing this number
	an undivided or unbroken completeness or totality with nothing wanting