dross (en)

(noun) the scum that forms on the surface of molten metal / (noun) waste or foreign matter; impurity / (noun) something that is base, trivial, or inferior

homily (en)

(noun) a usually short sermon / (noun) a lecture or discourse on or of a moral theme / (noun) an inspirational catchphrase or platitude. homiletic: the art of preaching or writing sermons

paterfamilias (en)

(noun) the male head of a household / (noun) the father of a family / (noun) a man who originates or is a leading figure in something (as a movement, discipline, or enterprise)