MERRY is validvalid

cheerful [adj MERRIER, MERRIEST] : MERRILY [adv], MERRINESS [n]

10,491 of 196,601 in NWL2023·also valid in CSW24

mirthful, also MERRIE [adj MERRIER, MERRIEST, MERRILY] / a gean, a wild cherry [n MERRIES]