connectedness vs unification

connectedness and unification both are nouns.

Word	Noun	Adjective	Verb	Adverb
connectedness	Yes	No	No	No
unification	Yes	No	No	No

As nouns, unification is a hypernym of connectedness; that is, unification is a word with a broader meaning than connectedness:

Other hypernyms of connectedness include union.

connectedness (noun)	unification (noun)
a relation between things or events (as in the case of one causing the other or sharing features with it)	the act of making or becoming a single unit
the state of being connected	an occurrence that involves the production of a union
	the state of being joined or united or linked