Here are two words that I could tell the definition of by the context. But they are such cool words and used to describe Holmes’ nemesis. I had to share them with you. In The Valley of Fear, Holmes and Watson begin speaking of Professor Moriarty, and Holmes describes the Professor’s underworld genius in the quote below. The Valley of Fear is printed in my volume of The Greatest Adventures of Sherlock Holmes.
Solatium – a thing given to someone as a compensation or consolation