1. swirling motion of water or air.   eddy   carat   fulcrum   fissure   Hint Half-n-half Clue   2. ability of system to maintain stability.   cog   cartographer   homeostasis   galaxy   Half-n-half Clue   3. channel for fluid flow or aqueduct.   anemia   humus   equilibrium   conduit   Half-n-half Clue   4. compulsion or repression.   constraint   converse   asteroid   immobility   Half-n-half Clue   5. eye disorder leading to partial blindness; waterfall.   cataract   discrepancy   analogy   converse   Half-n-half Clue   6. triangular tract of mud or sand at river's mouth.   congruence   delta   acoustics   effluvium   Half-n-half Clue   7. cutting for analysis or examination.   assumption   chassis   balm   dissection   Half-n-half Clue