Okay, let's review.
Venomous = You GET BIT by something, you might get to ride in the weeewhoo wagon (๐)
Posionous = YOU BITE something, you might get to ride in the weeewhoo wagon (๐)
Hope this helps.
I don't really know how coronations work, but I hope it involves Charles making incremental diagonal movements across the floor until he reaches the other side and says "king me."