Maalox vs alkalizer

Maalox and alkalizer both are nouns.

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

As nouns, alkalizer is a hypernym of Maalox; that is, alkalizer is a word with a broader meaning than Maalox:

Maalox: an antacid
alkalizer: an agent that counteracts or neutralizes acidity (especially in the stomach)

Other hypernyms of Maalox include alkaliser, antacid, antiacid, gastric antacid.

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