customariness vs traditionalism

customariness and traditionalism both are nouns.

Word	Noun	Adjective	Verb	Adverb
customariness	Yes	No	No	No
traditionalism	Yes	No	No	No

As nouns, traditionalism is a hypernym of customariness; that is, traditionalism is a word with a broader meaning than customariness:

customariness: The state or quality of agreeing with, or being established by, custom or common usage.
traditionalism: strict adherence to traditional methods or teachings

Other hypernyms of customariness include predictability, traditionality.

customariness (noun)	traditionalism (noun)
The state or quality of agreeing with, or being established by, custom or common usage.	adherence to tradition (especially in cultural or religious matters)
	strict adherence to traditional methods or teachings
	the doctrine that all knowledge was originally derived by divine revelation and that it is transmitted by traditions