Did you mean: tow chain to gain to coin touchan ?
| 环 | huán | ring / hoop / loop / (chain) link / classifier for scores in archery etc / to surround / to encircle / to hem in | 
| 连 | lián suǒ | to interlock / to be linked / chain (store etc) | 
| 头 | tóu dōu | helmet / chain mail hung from head to protect neck | 
| 链 | liàn | chain / cable (unit of length: 100 fathoms, about 185 m) / chain (unit of length: 66 feet, about 20 m) / to chain / to enchain | 
| 掉 | diào liàn zi | to have one's bicycle chain come off / (fig.) to let sb down; to drop the ball; to screw up | 
| 成 | chéng chuàn | to be lined up (like a chain of islands, a string of pearls etc) / to form a cluster (like a bunch of grapes) / to come one after the other (like a series of sighs) | 
| 第 | Dì èr Dǎo liàn | (geopolitics) Second Island Chain, strategic arc of islands stretching from Japan's Bonin Islands to Guam and Papua New Guinea | 
| 单 | dān liàn | single chain / refers to RNA as opposed to the double helix DNA | 
| 绵 | mián gèn | to stretch in an unbroken chain (esp. of mountains) | 
| 拖 | tuō liàn | cable carrier (used to protect cables and hoses attached to a machine) / tow chain | 
| 链 | liàn jié | to link together; to connect (in a systematic or chain-like way); linkage | 
| 承 | chéng zhuǎn | to transmit a document (up or down a chain of bureaucracy) |