More Compund Words
List 1: whatever, seashore, subway, touchdown, keyboard, herself, silversmith, forget, dishwasher, housework
List 2: toothpaste, shipwreck, alongside, household, glassmaking, watchmaker, sandstone, riverbank, sourdough, spacecraft
Compound Words
List 1: lifetime, cannot, become, crosswalk, moonlight, anybody, meantime, sometimes, railroad, everything
List 2: elsewhere, rattlesnake, somewhere, meanwhile, themselves, weatherman, earthquake, backbend, grasshopper, headquarters
Words with the prefix un-
List 1: unable, unaware, uncertain, unequal, unbroken, uncooked, unscramble, unchanged, unfriendly, unfasten,
List 2: unavoidable, uncomfortable, unconscious, uncontrollable, undisturbed, unforgettable, unfortunate, unidentified, unmistakable, unsuccessful