MUCKLE is validvalid

much, great [adj MUCKLER, MUCKLEST] / a large amount [n MUCKLES]

24,168 of 196,601 in NWL2023·also valid in CSW24

(Scots) much or great, also MEIKLE, MICKLE [adj MUCKLER, MUCKLEST] / a great deal, also MICKLE, MOCHELL, MUCHEL, MUCHELL [n -S]