Example for Affix
Psychotic
What is psych?
God
What is theo?
Ectoplasm
What is outside?
Heli
What is the sun?
Phil
What is philosophy, Philadelphia, etc.
Sensor
What is sens/sent
Power
What is dyn?
Thermostat
What is heat?
Grav
What is weight?
Phobia
What is hydrophobia, phobic, etc.
Placate
What is plac?
Water
What is hydro?
Maniac
Pyr
What is fire?
Eu
What is euphoric, euphemism, etc.
Extrovert
What is extro?
World
What is cosm?
Pacifism
What is peace?
Endo
What is inside?
Ego
What is egomaniac, egotistical, alter-ego, etc.