OLD is validvalid

living or existing for a relatively long time [adj ELDER, ELDEST, OLDER, OLDEST] : OLDNESS [n] / one who has lived a specified number of years [n OLDS]

772 of 196,601 in NWL2023·also valid in CSW24

a person of a specified age [n -S] / living for a long time [adj OLDER, OLDEST]