The Greek word for sleep is ύπνος (hypnos).
English words such as hypnosis, hypnotize, etc., derive from this root.
Missionary
C. Genocide
Eruption.
Autonomy :)
A dictatorship.
potens, potentis
Epidermis is the word that most likely means an outer layer of skin.
B. Leader
Telescope
synchronized
Synchronize
Mutation is the word meaning a change in form or nature.