筈 （はず） should (be), bound (to be), expected (to be), must (be), nock (of a bow), nock (of an arrow), nock-shaped grip (between thumb and forefinger), wooden frame on the tip of the mast of a Japanese ship that prevents the hawser from falling out

筈緒 （はずお） hemp rope fastened from the bow of a Japanese ship to the tip of the mast

その筈 （そのはず） only natural, no wonder, as expected, of course, as it should be

弓筈 （ゆみはず） nock (of a bow)