col=strain (排水)

cpercolart v 渗滤，渗透

colander n 漏勺

oll=neck (脖子)

collar n 衣领

accolade v 奖励，授骑士士爵位礼(把奖品挂在脖子上)

com=sleep(睡)

coma n 昏迷，昏睡

cintamin=pollute (污染)

contaminate v 弄脏，污