What's the noun for anacoluthic? Here's the word you're looking for.
anacoluthon
(grammar) A sentence or clause that is grammatically inconsistent, especially with respect to the type of clausal or phrasal complement for the initial clause.
“On the other hand, his style suffers from ellipses, parentheses, and anacolutha.”
“For example, Plato's dialogues contain a lot of anacolutha, which would now be rejected as ungrammatical, and the same applies to Shakespeare's plays.”
“Usually, anacolutha are close enough to a grammatical construction, or can be traced back to a familiar pattern, to be understood without problem by the receptor.”