1. proto as in prototype   first   two, twice   without   great, large, one million   Hint Half-n-half Clue   2. under as in undercurrent   one, single   before   below   within   Half-n-half Clue   3. ultra as in ultrasonic   excessive, beyond   within   hatred   great, large, one million   Half-n-half Clue   4. non as in nonentity   among, between   hatred   not   down   Half-n-half Clue   5. bi as in bipartite   not   two, twice   around   many, several   Half-n-half Clue   6. cata as in cataclysm   hatred   below   down   with, joint   Half-n-half Clue   7. abs as in abscond   excessive, beyond   around   minute, small   away from   Half-n-half Clue