symbolizer vs symboliser

symbolizer and symboliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
symbolizer	Yes	No	No	No
symboliser	Yes	No	No	No

As nouns, symbolizer and symboliser are synonyms defined as:

symbolizer and symboliser: someone skilled in the interpretation or representation of symbols

Other synonyms of symbolizer include symbolist.

symbolizer (noun)	symboliser (noun)
someone skilled in the interpretation or representation of symbols	someone skilled in the interpretation or representation of symbols