Malapropisms are vaguely related to mondegreens in that they're about mis-speaking. However, where mondegreens are often charming or even make sense, malapropisms are at their best when they are ridiculous.
A malapropism is the unintentional misuse of a word through confusion with another word that sounds similar. A huge part of Archie Bunker's appeal was his liberally sprinkled malapropisms. Here's one example: "It's a well known fact that capital punishment is a detergent to crime!"
Check out many other good malapropisms(Bunkerisms?) at https://thelastdrivein.com/2015/07/02/the-archie-bunker-malapropism-dictionary-of-mangled-english.