co-educate

co-ed co-edit co-edited co-editing co-edition co-editor co-editors co-eds co-education co-educational co-efficient co-efficients

go off at half-cock go off at the nail go off half-cocked go off into go off into a doze go off into wild flights of fancy go off like a candle in a snuff go off like hot cakes go off like the snuff of a candle go off shift