complication vs complicatedness

complication and complicatedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
complication	Yes	No	No	No
complicatedness	Yes	No	No	No

As nouns, complication and complicatedness are synonyms defined as:

Other synonyms of complication include knottiness, tortuousness.

complication (noun)	complicatedness (noun)
the act or process of complicating	puzzling complexity
puzzling complexity
a development that complicates a situation
a situation or condition that is complex or confused
any disease or disorder that occurs during the course of (or because of) another disease