symbolise vs symbolisation

symbolise is not a noun while symbolisation is a noun.

Word	Noun	Adjective	Verb	Adverb
symbolise	No	No	Yes	No
symbolisation	Yes	No	No	No

symbolise (noun)	symbolisation (noun)
	the practice of investing things with symbolic meaning
	something visible that by association or convention represents something else that is invisible
	the use of symbols to convey meaning

symbolise (verb)	symbolisation (verb)
express indirectly by an image, form, or model; be a symbol
represent or identify by using a symbol; use symbols