词根:crep = to rattle
来自拉丁语的crep 意为to rattle 。
同源词:
1. decrepit(出声变小的de(=down) + crep(=rattle))
   adj.老弱的;衰老的,衰朽的
   decrepitude n.衰老,衰朽
   Believe it or not,the decrepit old woman across the street baked this bread!信不信由你,这个面包是街对面的那个老奶奶烤的!
2. discrepancy(分别出声 dis(=apart) + crep(=rattle))
   n.(陈述、言语的)不相符,不一致;矛盾
   discrepant adj.相差的,有差异的,矛盾的
   There is an obvious discrepancy between his kind words and cruel deeds. 他亲切的话语和他残忍的行为显然是自相矛盾的。
3. crepitate
   v.发出爆裂声
   crepitation n.爆裂声