Materialism Naturalism. Word Search Puzzle Solver. Materialism Naturalism word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. The basis of materialism is that only matter and energy exist. Naturalism holds that everything in the universe is the result of natural causes. Do these two concepts really lead to a full understanding of the world around us? This includes identifying and searching for words that are related to : Dr Tommy Mitchell .