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. EXTINCTIONS BOUNDARIES SCIENTIFIC ATMOSPHERE QUESTIONS ERUPTIONS EXCESSIVE MASTODONS CHEMICAL CONSIDER GEOLOGIC ENGAGING HAPPENED MILLIONS EXCAVATE EXPLORE PERCENT SPECIES SUBJECT PREVENT BILLION HUMANS CAUSES HIGHER ANSWER LINKS EVENT LIVED GASES TYPE How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title