Synonyms for Bearberry (same or very similar meaning)
WordNet sense 1 (shrubby tree of the Pacific coast of the United States; yields cascara sagrada):
bearwood, chittamwood, chittimwood, cascara buckthorn, Rhamnus purshianusWordNet sense 2 (deciduous shrub of southeastern and central United States):
winterberry, Ilex decidua, possum hawFrom the ODE community, based on WordNetadd/edit