normalcy vs typicality

normalcy and typicality both are nouns.

Word	Noun	Adjective	Verb	Adverb
normalcy	Yes	No	No	No
typicality	Yes	No	No	No

As nouns, typicality is a hyponym of normalcy; that is, typicality is a word with a more specific, narrower meaning than normalcy:

normalcy: being within certain limits that define the range of normal functioning
typicality: the state of being that is typical

Other hyponyms of normalcy include averageness, commonness, expectedness.

normalcy (noun)	typicality (noun)
expectedness as a consequence of being usual or regular or common	the state of being that is typical
being within certain limits that define the range of normal functioning