Greek
Mis- misinformed, misleading
What is Bad/Wrong
Anti-antipollution, anti-smoking
What is Against
Dis- dislike, disagree
What is Not
Multi - Multitude, Multiple
What is Many
What is Before
Auto-autograph, autobiography
What is Self
Tele-telescope, television
Super-superior, supervise
What is Above/Under
Post-postpone, postgraduate
What is After/Behind
Hyper-hyperactive, hypersensitive
What is over/overly
Poly-polygon, polyphobia
What is Many
Therm- thermal, thermometer
What is Heat
Ex - extinguish, exclude
What is Out Of
De-decrease, deduct
What is Away/Down
Contra/Contro-contradict, controversy
What is Against
What is Fire
Scope-microscope, telescope
What is To Look
Spec-spectacles, spectator
What is Look/See
Retro-retrospect, retroactive
What is Back/Backward
Cred-credible, credit
What is Believe
Metr/Meter-metric, millimeter
What is To Measure
Aster/Astro-asteroid, astronomy
What is Star
Bene-benefit, benefactor
What is Good/Well
Terr/Terra-terrain, subterranean
What is Earth
Sur-surface, surpass