IPA: /ˌmɪsəˈleɪniəsli/
KK: /mɪsəˈleɪniəsli/
In a way that involves various different kinds or types.
The items were arranged miscellaneously on the table, making it hard to find what I needed.
Miscellaneously → It is formed from "miscellaneus" (from Latin *miscellaneus*, meaning mixed or various) and the suffix "-ly" (meaning in a manner of). The word "miscellaneously" means in a manner that is mixed or composed of various elements.
Think of 'mixed' ('miscellaneus') to remember that 'miscellaneously' means in a mixed manner.
No commonly confused words.