Play word 四つ身 四つ身 よつみ cross-grips (situation in which each rikishi has an underarm grip on the other)
Play word 四維 四維 しい four cardinal principles of the state (propriety, justice, integrity, sense of shame)
Play word 四恩 四恩 しおん four gratitudes (to one's parents, all living beings, one's sovereign and the Three Jewels)
Play word 四気 四気 しき weather of the four seasons (warmth of spring, heat of summer, cool of autumn, and cold of winter)
Play word 四畿内 四畿内 しきない Four Home Provinces (Yamato, Yamashiro, Settsu, and Kawachi; made obsolete in 757)
Play word 四計 四計 しけい plans for one's day, plans for one's year, plans for one's life, and plans for one's family
Play word 四公六民 四公六民 しこうろくみん land-tax system during the Edo period under which the government took 40% of the year's crop and the farmers kept 60%