-ed and -ing endings
List 1: skated, hoping, hopped, smiled, biking, placing, described, bringing, beginning, practiced
List 2: frightened, confused, sightseeing, questioning, surprised, imagining, flurried, impacted, preparing, highlighting
Plurals
List 1: adults, dragons, villas, cabins, glasses, dishes, watches, boys, stories, buddies,
List 2: questions, wolves, indexes, countries, butterflies, ladies, pennies, children, women, deer
igh and ie
List 1: fight, sight, pie, might, lie, tie, tight, right, thigh, high,
List 2: knight, fighter, delight, highlight, lightning, necktie, retie, bright, sigh, fright