Why does K stand for contract?

Answer 1

The reason is because law professors like to abbreviate with Greek letters, such as "pi" for plaintiff and "delta" for defendant. There is no letter C in the Greek alphabet. There is Chi and Kappa. I guess they use K for kappa because it is a hard C sound.

Answer 2

Just a short-hand way of writing contract taught to law students. Just saves time. I heard it was because they did not want to confuse with "C" when they use hypotheticals such as "A shoots at B, but misses and kills C."