- 煤 nouncoalcoal; a black or brownish-black solid mineral substance used as fuel
- 核 nounpit(of fruit) pit; stone; the hard shell protecting a kernel
- 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.