normal vs normality

normal and normality both are nouns.

normal (noun)	normality (noun)
something regarded as a normative example	being within certain limits that define the range of normal functioning
	(of a solution) concentration expressed in gram equivalents of solute per liter
	expectedness as a consequence of being usual or regular or common
	conformity with the norm

normal (adjective)	normality (adjective)
conforming with or constituting a norm or standard or level or type or social norm; not abnormal
in accordance with scientific laws
being approximately average or within certain limits in e.g. intelligence and development
forming a right angle