Unit 25: sunnier, cloudier, windier, cities, heaviest, prettiest, studied, easier, noisier, families, ferries, crazier, funnier, earlier, copied, hobbies, angriest, emptied, worried, happiest, hurried, stories, carried, pennies, babies, iciest, hazier, breezier, categories, qualities
Unit 26: pilot, pupil, navy, female, silent, human, chosen, music, paper, reason, tiger, spider, tiny, tuna, fever, frozen, moment, season, stolen, basic, bird, once, knew, straight, through, license, radar, waver, feature, diesel
Unit 27: cabin, robin, cover, planet, visit, finish, salad, seven, magic, exact, talent, modern, limit, cousin, oven, prison, punish, habit, never, busy, travel, would, orange, ever, second, pheasant, quiver, hazard, vivid, jealous
Unit 28: sickness, illness, treatment, painful, careless, fearful, colorful, endless, beautiful, awful, movement, restless, darkness, useless, kindness, hopeless, statement, powerful, friendliness, peaceful, hopeful, useful, careful, thankful, singer, ailment, appointment, resourceful, numbness, cleanliness