alkaliser vs alkalizer

alkaliser and alkalizer both are nouns.

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

As nouns, alkaliser and alkalizer are synonyms defined as:

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

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

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