memorialization vs American spelling

memorialization and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
memorialization	Yes	No	No	No
American spelling	Yes	No	No	No

memorialization (noun)	American spelling (noun)
a ceremony to honor the memory of someone or something	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')