Cases of word usage

1) a shopkeeper who sells food in packets, tins and bottles, and household requirements such as polish, soap powders etc (grocer)

2) the soft mass of white froth from soap and water (lather)

3) to make (a dirty surface) clean or bright by using a rough cloth or pad and soap etc; to look everywhere in (a place) (for a person, thing) (scour)

4) to clean (something, one's body etc) by rubbing hard, especially with a stiff brush, soap and water; (land covered with) small trees and bushes (scrub)