What is the common name of the reptile Chelydra serpentina?

What two-word term names the method you would use to work out how many times 73 goes into 2701? What common two-word English term is often used as a translation of "haute couture"? Which common Arabic name means "servant of God"? Common in the American South, a razorback is a wild what? What is the common term for a female gamete? What common term describes the bad guy in a play or novel? Which word means both "dull or commonplace" and "a person traveling on foot"? In the NATO phonetic alphabet, which code word comes between Alpha and Charlie?