solemnisation vs solemnise

solemnisation is a noun but solemnise is not a noun.

Word	Noun	Adjective	Verb	Adverb
solemnisation	Yes	No	No	No
solemnise	No	No	Yes	No

solemnisation (noun)	solemnise (noun)
the public performance of a sacrament or solemn ceremony with all appropriate ritual

solemnisation (verb)	solemnise (verb)
	make solemn and grave
	observe or perform with dignity or gravity
	perform (the wedding ceremony) with proper ceremonies