Share Word Search Extinction To create your word search for "Extinction", 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. BOUNDARIES SCIENTIFIC NARRATIVE MASTODONS EXCESSIVE CONSIDER CRITICAL THINKING EXTINCT BILLION EXPLORE CLEARER REASONS CASTEEL IMPACTS EFFECT PIECES HUMANS CAUSES CHANGE TRAVEL LINKS LEARN GASES STYLE LOOK LIFE TYPE WORK MASS How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title