smooth alder; smooth aster; smooth bark kauri; smooth crabgrass; smooth darling pea; smooth dogfish; smooth earthball; smooth green snake; smooth hammerhead; smooth lip fern; smooth muscle; smooth muscle cell; smooth out; smooth over; smooth plane; smooth softshell; smooth sumac; smooth winterberry holly; smooth woodsia; smooth-bodied; smooth-faced; smooth-haired; smooth-haired fox terrier; smooth-leaved elm; smooth-shaven; smooth-shelled; smooth-skinned; smooth-spoken; smooth-textured; smooth-tongued;