A nick name is a shortened version of a person's name, often used as a term of endearment. The crossword solutions for the term 'nick name' are Claus (5 letters), Kris (4 letters), Santa (5 letters), and Nolte (5 letters). Claus is a shortened version of the name Nicholas, which is also the origin of the name Santa Claus. Kris is a shortened version of the name Kristopher. Santa is a shortened version of the name Santa Claus. Nolte is a shortened version of the name Nicholas.