IPA: /ˈmʌltiˌpæk/
KK: /ˈmʌltiˌpæk/
A type of packaging that includes several smaller packages of a product sold together as one unit.
I bought a multipack of snacks for the party.
Multipack → It is formed from "multi-" (meaning many) and "pack" (from Old French *pacquer*, meaning to pack or bundle). The word "multipack" refers to a package that contains many items bundled together.
Think of 'many' ('multi-') items that are 'packed' together — that's what a multipack is.
No commonly confused words.