回

(a measure word for matters or actions) a time
to circle
to go back
to turn around
to answer
to return
to revolve

画儿, 晖, 挥, 虺, 恢, 灰, 隳, 徽, 麾, 辉, 诙, 灰白, 灰尘, 恢复, 恢复原状, 辉煌, 挥霍无度, 灰猎犬, 灰色, 徽章, 回报, 回答, 回访, 回顾, 回顾历史, 回归, 回归中国, 回家, 回绝, 回来, 回去, 回声, 回忆, 虺, 悔, 毁, 悔改, 悔恨, 毁坏, 毁灭,