1. last   ultima as in ultimatum   solv as in absolve   vad as in invade   soph as in philosopher   Hint Half-n-half Clue   2. heat   therm as in thermostat   viv as in vivacious   vad as in invade   spir as in respiratory   Half-n-half Clue   3. twist   vad as in invade   struct as in constructive   soph as in philosopher   tort as in tortuous   Half-n-half Clue   4. sleep   somn as in somnolent   ver as in veracious   therm as in thermostat   solv as in absolve   Half-n-half Clue   5. drag, pull   seque as in consequential   tempor as in temporal   trud as in protrude   tract as in protractive   Half-n-half Clue   6. empty   terr as in subterranean   struct as in constructive   vict as in victory   vac as in vacuous   Half-n-half Clue   7. breathe   spect as in retrospective   struct as in constructive   spir as in respiratory   vert as in vertiginious   Half-n-half Clue