de-peering deep-fried deerfriend defriended degendered dereddened dinengdeng eedingedge engendered engenderer engineered enginering enripening fenderding finedining finger-end fireengine firefinder firefriend firing-pin free-rider freeriding friendfeed friendrede genderfree gendringen greengenre greengreen greenified ididindeed indireneed infringing ingendered ngerengere niederried nifedipine nigerreign nigger-rig niggerfied pen-friend pennedepie pepperdine pepperidge perpending perrignier pfeffingen pfenninger piperidide piperidine pipperidge pre-dinner pre-render predefined preferring prepending re-edifier re-refiner redefended redefining reedededge reengineer refereeing regendered regreening regrinding regripping reingender reining-in reprringer rereferred rerendered rigidified ringfinger