alkalizer vs alkaliser

alkalizer and alkaliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
alkalizer	Yes	No	No	No
alkaliser	Yes	No	No	No

As nouns, alkalizer and alkaliser are synonyms defined as:

alkalizer and alkaliser: an agent that counteracts or neutralizes acidity (especially in the stomach)

Other synonyms of alkalizer include antacid, antiacid, gastric antacid.

alkalizer (noun)	alkaliser (noun)
an agent that counteracts or neutralizes acidity (especially in the stomach)	an agent that counteracts or neutralizes acidity (especially in the stomach)