- 沟 溝 verbnounditchditch; gutter; trench; channel for irrigation or drainage
- 沿 nounedge; borderThe border, brink, or edge of an object such as a bed, table, or body of water
- 儿 兒 particleaffix[erhua suffix]A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.