Workaday and White bread

Workaday adjective - Being of the type that is encountered in the normal course of events.

White bread and workaday are semantically related In some cases you can use "White bread" instead an adjective "Workaday".

White bread noun - Bread made with finely ground and usually bleached wheat flour.

Workaday and white bread are semantically related in normal topic. Sometimes you can use "Workaday" instead an adjective phrase "White bread", if it concerns topics such as common, average.