Share Word Search Thunder Underground To create your word search for "Thunder Underground", first select the words you want to use. Choose up to twenty words for your game by clicking on a suggested word or enter your own by typing over an existing word. Suggestions for your word search; click to add. ILLUSTRATIONS ACCOMPANIED EVERYTHING COLLECTION UNDERNEATH EXPEDITION FANTASTIC CREATIONS TECTONIC FOSSILS ANIMALS SUBWAYS ANCIENT SCIENCE JOURNEY EXPLORE BENEATH WONDER PLATES DEEPER TAKES YOUNG HUMAN NOTED EVOKE POEMS SHOW POET KIDS JANE How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title