UNRIVET is validvalid

to remove rivets (metal bolts) from [v UNRIVETED, UNRIVETING, UNRIVETS, UNRIVETTED, UNRIVETTING]

55,359 of 196,601 in NWL2023·also valid in CSW24

to take out, or loose, the rivets of; as, to unrivet boiler plates [v UNRIVETED or UNRIVETTED, UNRIVETING or UNRIVETTING, UNRIVETS]