1. meet, with, together   super as in superfluous   syn as in synthesis   con as in concomitant   intra as in intravenous   Hint Half-n-half Clue   2. after   ob as in obloquy   post as in posthumous   retro as in retrospective   syn as in synthesis   Half-n-half Clue   3. backward   ob as in obloquy   retro as in retrospective   intra as in intravenous   pan as in panacea   Half-n-half Clue   4. chief, main, first   arch as in archive   per as in perennial   con as in concomitant   intra as in intravenous   Half-n-half Clue   5. all, whole   post as in posthumous   para as in paragon   retro as in retrospective   pan as in panacea   Half-n-half Clue   6. not   super as in superfluous   syn as in synthesis   neo as in neophyte   in as in inchoate   Half-n-half Clue   7. with, together   con as in concomitant   syn as in synthesis   pan as in panacea   post as in posthumous   Half-n-half Clue