Experiment- experimental - experimental dance
Cognition - cognitional - cognitional theory
Develop - developing - developing country
Engineer - engineering - engineering degree
Industry - industrial - industrial electronics
Educate - educational - educational system
Clinics - clinical - clinical depression
Environment - environmental - environmental program
Biology - biological - biological research
Behave - behavioral - behavioral interview
Norm - normal - normal people
Flex - flexible - flexible course
Intellect - intellectual - intellectual conversation
Evolution - evolutional - evolutional process