enginering erintintin ettringite ferret-eye ferretfeet ferrierite fifty-nine fiftyfifty fireengine freirinite frittering geitryggen gentrifier gingerette gitterning greengenre greengreen grey-green inertinite infringent infringing interferer interreign interteign negrifying ngerengere nigerreign nigger-rig ninetynine nitrifying nyerereite re-entring re-refiner reengineer reentering refereeing refringent regentrify regreening regreeting regretting reigniting reining-in reintering retrigging retryentry reynge-net ringfinger tentretene terrifying teteringen tigertiger treeifying triggering