-prax·is
\ˈpraksə̇s\  noun combining form 
(plural -praxis·es \-ksəsə̇z\ ; also -prax·es \-kˌsēz\) 
Etymology: New Latin, from Greek praxis doing, action 
 : therapeutic treatment usually by a (specified) system or agency 
< chiropraxis >
< radiopraxis >
< chiropraxis >
< radiopraxis >