There are many synonyms for the phrase "scorpion two decks". Some of the most common ones include "double scorpion", "scorpion spread", and "double scorpion solitaire". These are all variations of the classic solitaire game that involves arranging cards in a specific way to create a scorpion-like pattern. Other possible synonyms for this game might include "two-deck scorpion", "double-deck scorpion", or "multi-deck scorpion". Regardless of the specific name, this game is a fun and challenging way to pass the time, and it's a great way to exercise your brain and improve your card game skills.