1. within   intro as in introspect   contra as in contravene   mono as in monotheism   circum as in circumspection   Hint Half-n-half Clue   2. one, single   contra as in contravene   mono as in monotheism   circum as in circumspection   bi as in bipartite   Half-n-half Clue   3. among, between   abs as in abscond   mis as in misanthrope   inter as in intervene   cata as in cataclysm   Half-n-half Clue   4. two, twice   pre as in preamble   bi as in bipartite   cata as in cataclysm   ultra as in ultrasonic   Half-n-half Clue   5. excessive, beyond   non as in nonentity   inter as in intervene   under as in undercurrent   ultra as in ultrasonic   Half-n-half Clue   6. below   under as in undercurrent   mis as in misanthrope   co as in coalesce   circum as in circumspection   Half-n-half Clue   7. away from   abs as in abscond   co as in coalesce   bi as in bipartite   circum as in circumspection   Half-n-half Clue