properness vs behaviour

properness and behaviour both are nouns.

Word	Noun	Adjective	Verb	Adverb
properness	Yes	No	No	No
behaviour	Yes	No	No	No

As nouns, behaviour is a hypernym of properness; that is, behaviour is a word with a broader meaning than properness:

properness: correct or appropriate behavior
behaviour: (behavioral attributes) the way a person behaves toward other people

Other hypernyms of properness include behavior, conduct, demeanor, demeanour, deportment.

properness (noun)	behaviour (noun)
correct or appropriate behavior	manner of acting or controlling yourself
	(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
	(behavioral attributes) the way a person behaves toward other people
	the action or reaction of something (as a machine or substance) under specified circumstances