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20 points
CACOPHONOUS is validvalid
pertaining to cacophony [adj] : CACOPHONOUSLY [adv]
discordant, unpleasantly noisy, also CACOPHONIC, CACOPHONICAL, CACOPHONIOUS [adj CACOPHONOUSLY]
pertaining to cacophony [adj] : CACOPHONOUSLY [adv]
discordant, unpleasantly noisy, also CACOPHONIC, CACOPHONICAL, CACOPHONIOUS [adj CACOPHONOUSLY]