1. non as in nonentity   not   within   minute, small   many, several   Hint Half-n-half Clue   2. poly as in polyglot   around   two, twice   not   many, several   Half-n-half Clue   3. intro as in introspect   within   among, between   first   with, joint   Half-n-half Clue   4. pre as in preamble   before   many, several   excessive, beyond   down   Half-n-half Clue   5. mega as in megalith   great, large, one million   hatred   down   involving change   Half-n-half Clue   6. proto as in prototype   minute, small   first   before   below   Half-n-half Clue   7. under as in undercurrent   excessive, beyond   with, joint   below   minute, small   Half-n-half Clue