Unit 13: railroad, airport, seat belt, everywhere, homesick, understand, background, anything, ninety-nine, already, fireplace, ourselves, all right, forever, breakfast, whenever, everything, meanwhile, afternoon, make-believe, inside, outside, birthday, baseball, sometimes, landmark, nationwide, postscript, motorcycle, handkerchief
Unit 14: sailor, harbor, enter, weather, labor, ladder, cellar, chapter, sugar, suffer, collar, proper, motor, favor, bitter, beggar, shower, temper, feather, doctor, summer, center, neighbor, dollar, daughter, schooner, anchor, stellar, lunar, solar
Unit 15: nickel, metal, total, eagle, middle, special, final, model, bottle, double, towel, medal, battle, candle, trouble, handle, simple, uncle, title, cattle, little, able, circle, purple, apple, decimal, financial, trifle, cancel, industrial
Unit 16: dancing, skipped, hiking, flipped, snapping, raced, landed, pleasing, checking, dared, dimmed, rubbing, striped, wasting, traced, stripped, tanning, smelling, phoning, fainted, cared, joking, tapping, wrapped, fixing, breathing, tiring, urged, scarred, striving