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 EXPEDITION FANTASTIC ADVENTURE TECTONIC THUNDER SUBWAYS FOSSILS BURROWS PRESENT ANIMALS BENEATH EXPLORE SCIENCE CITIES POETRY WONDER ANIMAL PLATES FUTURE NOTED YOUNG TAKES WORLD MASSE EVOKE MAGMA POET SHOW How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title