OBSCURE is validvalid

dark or indistinct [adj OBSCURER, OBSCUREST] / to make obscure [v OBSCURED, OBSCURES, OBSCURING] : OBSCURATION [n]

46,458 of 196,601 in NWL2023·also valid in CSW24

indistinct [adj OBSCURER, OBSCUREST, OBSCURELY] / to make indistinct [v OBSCURED, OBSCURING, OBSCURES]