1. erode   eat away or wear out.   propel or force onward.   remove foliage or leaves.   eaten into or affected by chemical action.   Hint Half-n-half Clue   2. compound   combine or mix.   establish validity or prove genuine.   issue or originate from.   polish by friction or rub to make shiny.   Half-n-half Clue   3. glaze   pour off leaving sediment behind.   collect together or unite.   cover with shiny glassy substance.   eaten into or affected by chemical action.   Half-n-half Clue   4. caulk   hinder or retard.   intercept light or surpass.   seal seams to make watertight.   produce or create.   Half-n-half Clue   5. extrude   force or thrust out.   eat away or wear out.   increase toughness by gradual heat reduction.   spend winter sleeping.   Half-n-half Clue   6. coagulate   stir up by shock or vitalize suddenly.   infect or pollute.   seal seams to make watertight.   thicken or change from fluid to solid state.   Half-n-half Clue   7. authenticate   collect into a mass.   establish validity or prove genuine.   slow down.   move faster or speed up.   Half-n-half Clue