土 Tǔ/tǔ, Tu (ethnic group)/surname Tu, earth/dust/clay/local/indigenous/crude opium/unsop... 川 Chuān/chuān, abbr. for Sichuan Province 四川[Sì chuān] in southwest China, river/creek/plain/an... 圳 zhèn, (dialect) drainage ditch between fields (Taiwan pr. [zùn])/used in place names, ...