1. polarize   put into effect.   split into two opposite groups.   pierce or make hole(s) in.   release special substance or hide away.   Hint Half-n-half Clue   2. spawn   divide into parts.   produce or deposit (eggs).   express or pour forth.   introduce or originate.   Half-n-half Clue   3. sap   exhaust vigor of or undermine.   remove unwanted stuff; purify or cleanse.   unite by intertwining.   introduce or originate.   Half-n-half Clue   4. vent   unite by intertwining.   express or pour forth.   soak in some medium till saturated.   introduce or originate.   Half-n-half Clue   5. vaporize   pass through pores; happen.   crush to powder or dust; demolish.   disturb or agitate.   convert into vapor.   Half-n-half Clue   6. purge   unite by intertwining.   collide with or dash against.   harden into bone or become rigid.   remove unwanted stuff; purify or cleanse.   Half-n-half Clue   7. splice   unite by intertwining.   disturb or agitate.   release special substance or hide away.   burst inwards.   Half-n-half Clue