a group of related words that are formed from the same word a word family consisting of ‘help’, ‘helper’ and ‘helpful’ 由"帮助"，"帮助"和"帮助"组成的单词家庭
- (North American English)
a group of words with particular features in common ‘Cat’ and ‘hat’ are in the same word family. “猫”和“帽子”是同一个词。