- abacusa traditional Chinese counting tool consisting of a rectangular wooden frame with beads on rods
- 子 affixnoun suffix[suffix] used to form nouns from noun, verb, or adjective roots
- 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.