1. pre as in preamble   away from   before   within   many, several   Hint Half-n-half Clue   2. non as in nonentity   not   without   around   among, between   Half-n-half Clue   3. poly as in polyglot   with, joint   involving change   minute, small   many, several   Half-n-half Clue   4. abs as in abscond   not   away from   first   minute, small   Half-n-half Clue   5. proto as in prototype   two, twice   within   first   before   Half-n-half Clue   6. ultra as in ultrasonic   down   first   excessive, beyond   among, between   Half-n-half Clue   7. contra as in contravene   among, between   against   excessive, beyond   one, single   Half-n-half Clue