German Regenwurm

← Old English reġnwyrm (cognate)

← German Regen (affix)

← German Wurm (affix)

← English rainworm (cognate)

← Middle High German regenwurm (inherited)

← Old High German reganwurm (inherited)

→ English rainworm (cognate)

→ Dutch regenworm (cognate)

→ Polish dżdżownica (cognate)