按笔记代表词的首字母归档；各词族已收录的成员如下。
- capable：capable、capability、incapable
- catastrophe：catastrophe、catastrophic
- certify：certify、certificate、certification
- chance：chance
- charge：charge、recharge、chargeable
- chase：chase
- collaborate：collaborate、collaboration、collaborative
- commit：commit、commitment、committed
- compete：compete、competition、competitive、competitor
- comply：comply、compliance、compliant
- confirm：confirm、confirmation、unconfirmed
- consult：consult、consultant、consultation
- consume：consume、consumption、consumer
- contract：contract、contractor、contractual
- contribute：contribute、contribution、contributor
- cooperate：cooperate、cooperation、cooperative
- coordinate：coordinate、coordination、coordinator
- correspond：correspond、correspondence、corresponding
返回单词目录。