word family
noun /ˈwɜːd fæməli/
  /ˈwɜːrd fæməli/
- a group of related words that are formed from the same word词族: 由相同词组成的一组相关词- a word family consisting of ‘help’, ‘helper’ and ‘helpful’由“帮助”、“帮助者”和“有帮助的”组成的词族 
 
- a word family consisting of ‘help’, ‘helper’ and ‘helpful’
- (North American English) a group of words with particular features in common词族: 一组具有共同特征的词- ‘Cat’ and ‘hat’ are in the same word family.“猫”和“帽子”是同一个词。 
 
- ‘Cat’ and ‘hat’ are in the same word family.