Share Word Search The Sixth Extinction To create your word search for "The Sixth 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. EVOLUTIONARY DISTINCTION EXTINCTIONS SURROUNDING CONSCIOUSLY UNCHARTED DEFINING CONSIDER CLIMATE SPECIES NATURAL FOREVER HOWEVER ETERNAL NOTHING SPRAWL FUTURE RECORD CAUSED EARTH AVOID STEER LEWIN PLANT WORLD RACE LIFE PAST RICH FIVE How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title