Root Word: Cheap, Cold, Busy, Important, Good, Bad, Clean, Dangerous, Low, Expensive, Comparative: Cheaper, Colder, Busier, more important, Better, Worse, Cleaner, More dangerous, Lower, More expensive, Superlative: Cheapest, Coldest, Busiest, most important, Best, Worst, Cleanest, Most dangerous, Lowest, Most expensive,

Superlative and Comparative.

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