The root s-l-m makes up hundreds of words, not just salam, so why only mention that. 

Other words with root s-l-m:

Aslam, which means submit
Taslam/Taslim, which means safe
Saleema which means ‘to be saved or to escape from danger
Musalam, which means undisputed
(Derivation of) Salama: implies stinging of a snake

Muslim scholar Ibn Taymiyyah who is popular among islamic fundmentalists in saudi arabia. said: