-agra
sudden and severe pain
-asthenia
absence of strength; weakness
-clast
instrument used to break
-desis
surgical immobilization; surgical fusion [if using prefix syn-, avoid redundancy]
-ferous
bearing; containing [preceded by cv i]
-paresis
slight paralysis
-phylaxis
protection (of __); protection against (__); protection by means of (_)
-phylactic
protective (of __); protective against (__); protective by means of (_)
-sthenia
strength