vitalizer vs vitaliser

vitalizer and vitaliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitalizer	Yes	No	No	No
vitaliser	Yes	No	No	No

As nouns, vitalizer and vitaliser are synonyms defined as:

vitalizer and vitaliser: someone who imparts energy and vitality and spirit to other people

Other synonyms of vitalizer include animator, energiser, energizer.

vitalizer (noun)	vitaliser (noun)
someone who imparts energy and vitality and spirit to other people	someone who imparts energy and vitality and spirit to other people