LIMBER is validvalid

flexible [adj LIMBERER, LIMBEREST] : LIMBERLY [adv], LIMBERNESS [n] / to make flexible [v LIMBERED, LIMBERING, LIMBERS]

23,109 of 196,601 in NWL2023·also valid in CSW24

supple [adj LIMBERER, LIMBEREST, LIMBERLY] / to make supple [v -ED, -ING, -S]