1. con as in concomitant   related, beyond   meet, with, together   against   back, again   Hint Half-n-half Clue   2. arch as in archive   not   meet, with, together   through, complete   chief, main, first   Half-n-half Clue   3. retro as in retrospective   all, whole   through, complete   with, together   backward   Half-n-half Clue   4. ob as in obloquy   against   through, complete   far, distant   with, together   Half-n-half Clue   5. per as in perennial   far, distant   after   related, beyond   through, complete   Half-n-half Clue   6. pan as in panacea   far, distant   against   above, over   all, whole   Half-n-half Clue   7. neo as in neophyte   new   all, whole   against   after   Half-n-half Clue