Final decision and Final solution

Final decision noun - A judgment disposing of the case before the court; after the judgment (or an appeal from it) is rendered all that remains is to enforce the judgment.

Final solution and final decision are semantically related. In some cases you can use "Final solution" instead a noun phrase "Final decision".

Final solution noun - The mass murder of Jews under the German Nazi regime from 1941 until 1945.

Final decision and final solution are semantically related. You can use "Final decision" instead a noun phrase "Final solution".