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