| 厶 | mau5 si1 | private, secret; KangXi radical 28 |
| 纟 | si1 | silk; KangXi radical 120 |
| 尸 | si1 | corpse; to impersonate the dead; to preside; KangXi radical 44 |
| 司 | si1 | take charge of, control, manage; officer |
| 丝 | si1 | silk; fine thread; wire; strings |
| 糸 | mik6 si1 | silk; KangXi radical 120 |
| 糹 | si1 | silk; KangXi radical 120 |
| 㺨 | si1 | fine stone like jade |
| 师 | si1 | teacher, master, specialist |
| 私 | si1 | private, personal; secret |
| 诗 | si1 | poetry; poem, verse, ode |
| 鸤 | si1 | turtledove, cuckoo |
| 虒 | si1 | an amphibious beast resembling a tiger with one horn; place name |
| 狮 | si1 | lion |
| 俬 | si1 | (Cant.) 傢俬, furniture |
| 施 | ji6 si1 | grant, bestow; give; act; name |
| 屍 | si1 | corpse, carcass |
| 思 | si1 si3 soi1 | think, consider, ponder; final particle |
| 邿 | si1 | a state in Shandong province |
| 師 | si1 | teacher, master, specialist; multitude, troops |
| 鸶 | si1 | the eastern egret |
| 偲 | si1 | talented; urgent |
| 絁 | si1 | rough, indelicate silk |
| 蛳 | si1 | kind of snail with spiral shell |
| 缌 | si1 | coarse cotton cloth used for mourning |
| 絲 | si1 | silk; fine thread; wire; strings |
| 揌 | sak1 si1 | to shake |
| 斯 | si1 | this, thus, such; to lop off; emphatic particle |
| 詩 | si1 | poetry; poem, verse, ode |
| 溮 | si1 | river in Henan province |
| 㴲 | si1 | a river in ancient time; today's Baiquanhe, water's edge; water-front; a bank; a limit |
| 飔 | si1 | cool breeze of autumn |
| 獅 | si1 | lion |
| 鳲 | si1 | turtledove, cuckoo |
| 罳 | si1 | wooden screen |
| 锶 | si1 | strontium |
| 酾 | si1 | strain |
| 厮 | si1 | servant; to make a disturbance |
| 嘶 | sai1 si1 | neighing of a horse; gravel voiced, husky throated; (Cant.) to hiccough |
| 禠 | si1 | happy |
| 緦 | si1 | coarse cotton cloth used for mourning |
| 僿 | si1 zi6 | small, minute; lacking sincerity |
| 廝 | si1 | servant |
| 澌 | si1 | to exhaust; to drain dry |
| 撕 | si1 | rip, tear; buy cloth |
| 葹 | si1 | kind of chrysanthemum, xanthium |
| 螄 | si1 | kind of snail with spiral shell |
| 蓍 | si1 | milfoil, plant used in divination |
| 鍶 | si1 | strontium; an iron utensil |
| 䔮 | si1 | name of a variety of grass; growing in the water with edible flowers |
| 颸 | si1 | cool breeze of autumn |
| 鰤 | si1 | a yellowtail (fish) |
| 鷥 | si1 | egret; Egretta garzetta |
| 釃 | si1 | strain |