1. decomposition   purging of passage of body; outlet to emotion.   decay; breaking into component parts.   masses of leaves or leafage.   substance formed by decay of organic material.   Hint Half-n-half Clue   2. chisel   sharp-edged tool used for cutting.   animals of a region or era.   state of being motionless.   compulsion or repression.   Half-n-half Clue   3. atavism   resemblance to remote ancestors than parents.   halo or circle of light.   small pricking tool for piercing holes.   spread of disease by contact.   Half-n-half Clue   4. fissure   narrow opening or crevice.   point in orbit farthest from earth or climax.   lizard noted for changing color to surroundings.   division into two classes.   Half-n-half Clue   5. efficacy   point in orbit farthest from earth or climax.   ability to produce desired effect.   ointment that helps in soothing pain.   floating sheet of ice.   Half-n-half Clue   6. cog   application that helps soothe or soften.   tooth of a wheel.   reduction in size.   ability of system to maintain stability.   Half-n-half Clue   7. cipher   swirling motion of water or air.   eye disorder leading to partial blindness; waterfall.   opposite statement or position turned round.   secret code used to encrypt messages.   Half-n-half Clue