one who supports a certain type of government

Examples-

theocrat  = one who supports a government based on god

democratism = belief in government by the people

plutocrat=a person has power or influence because of wealth

origin of

Examples-

psychogenesis = origin of the mind or soul               
anthropogenesis = origin of early humans            
dynamogenesis = origin of power

one who practices/believes

Examples-

artist = one who practices art                                
monotheist  = one who believes in one god                      
dynamist = one who believes in power                        ultraist = one who believes in extremes

having to do with

Examples-

~ Note:  adjective ending

realistic = having to do with real things           socialistic = having to do with the relationship of living things
artistic = having to do with art

write, draw or describe

Examples-

geography = description of the earth/Earth                                                            biography = written about life

bad/poor

Examples-

malfunction = function badly/poorly                                                     malnutrition = poor nutrition        

together

Examples-

concentric = having the same center                  
confirm  = to firm together                           concentricity = condition of being together in the center