1. co as in coalesce   before   excessive, beyond   without   with, joint   Hint Half-n-half Clue   2. non as in nonentity   not   around   against   without   Half-n-half Clue   3. ultra as in ultrasonic   excessive, beyond   first   with, joint   many, several   Half-n-half Clue   4. under as in undercurrent   against   minute, small   below   great, large, one million   Half-n-half Clue   5. proto as in prototype   first   not   against   with, joint   Half-n-half Clue   6. abs as in abscond   below   away from   involving change   down   Half-n-half Clue   7. an as in anarchic   great, large, one million   without   around   excessive, beyond   Half-n-half Clue