/ What Word Completes the Analogy for December 17? / What Word Completes the Analogy for December 18? What Word Completes the Analogy for December 18? (What is an analogy?) BARK : TREE :: waistband : ____ Hint The relationship between the first pair of words is that of part to whole—one word is a part or piece of the other. cuffs encircle trousers Word QuizSpelling Bee