应该（是），必须（是）

1. should (be), bound (to be), expected (to be), must (be)

auxiliary word usually written using kana alone

2. nock (of a bow)

noun (common) (futsuumeishi)

3. nock (of an arrow)

noun (common) (futsuumeishi)

4. nock-shaped grip (between thumb and forefinger)

noun (common) (futsuumeishi) sumo

5. wooden frame on the tip of the mast of a Japanese ship that prevents the hawser from falling out

noun (common) (futsuumeishi)