benderender biddi-biddi bird-ringer breddenberg defriending degendering dereddening derendering derendingen engendering engeneering engineering fedderingen fire-engine free-riding friedberger friedenberg gender-free gengineered ginger-beer greenfinger greifenberg in-breeding indiffering indignified ingendering ngiri-ngiri niederegger niedernberg re-engineer rebeginning red-berried redefending regendering reigning-in rereferring rerendering ring-binder ring-finger ringgenberg