color|noun|the different effects of light on the eye, making blue, red, brown, black, yellow and others
method|noun|the way something is done
pain|noun|a physical feeling of hurt somewhere in the body 
remove|verb|to take away or take off; to put an end to; to take out of a position or office
risk|noun|the chance of loss, damage or injury
rub|verb|to move something over the surface of another thing
