1. intra as in intravenous   with, together   within   through, complete   not   Hint Half-n-half Clue   2. in as in inchoate   chief, main, first   new   not   backward   Half-n-half Clue   3. retro as in retrospective   backward   meet, with, together   within   with, together   Half-n-half Clue   4. re as in recant   back, again   after   backward   through, complete   Half-n-half Clue   5. super as in superfluous   against   above, over   related, beyond   backward   Half-n-half Clue   6. tele as in telekinesis   related, beyond   backward   far, distant   within   Half-n-half Clue   7. syn as in synthesis   backward   related, beyond   with, together   after   Half-n-half Clue