ODD is validvalid

unusual [adj ODDER, ODDEST] : ODDITY [n], ODDLY [adv], ODDNESS [n] / one who is odd [n ODDS]

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

strange, unpaired [adj ODDER, ODDEST, ODDLY] / in golf, an additional or allowed stroke [n -S]