West Frisian rêchbonke

← West Frisian rêch (affix)

← West Frisian bonke (affix)

← West Frisian rêch (affix)

← West Frisian bonke (affix)

← Proto-Germanic *hrugjabainą (inherited)

← Old Frisian hregbēn (derived)

← Old Frisian hregbēn (mention)

→ English backbone (cognate)

→ English ridgebone (cognate)