毫光 （ゴウコウ） light that is said to be emitted from some hair or tuft in Buddha's forehead, ray of light from the tuft of white hair (between the eyebrows)

毫末 （ゴウマツ） minute amount

揮毫 （キゴウ） writing (esp. commissioned calligraphy), drawing, painting

白毫 （ビャクゴウ） whorl of white hair on the forehead of the Buddha, represented by a white precious stone on statues of Buddha, urna

毫も （ごうも） (not) in the least, (not) at all