mall / maul are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
mall: NA
maul: (noun) a heavy long-handled hammer used to drive stakes or wedges. (verb) split (wood) with a maul and wedges. (verb) injure badly by beating.
mall: m·AO·l
maul: m·AO·l
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)