fictionalise vs fictionalisation

fictionalise is not a noun while fictionalisation is a noun.

Word	Noun	Adjective	Verb	Adverb
fictionalise	No	No	Yes	No
fictionalisation	Yes	No	No	No

fictionalise (noun)	fictionalisation (noun)
	writing in a fictional form
	a literary work based partly or wholly on fact but written as if it were fiction

fictionalise (verb)	fictionalisation (verb)
convert into the form or the style of a novel
make into fiction