stipple

　v．点画，点描．

stimulant, stimulate, stimulated, stimulating, stimulation, stimulus, sting, sting-ray, stinger, stingily, stinginess, stinging-nettle, stingy, stink, stink-bomb, stinker, stinking, stint, stipend, stipendiary, stipulate, stipulation, stir, stir up, stir-fry, stirrer, stirring, stirringly, stirrup, stirrup-cup, stirrup-pump, stitch, stitching, stoat, stock, stock certificate, stock company, stock exchange, stock in trade, stock-breeder,