Old English reġn

→ English rain (mention)

→ Old English regnboga (compound)

→ Old English regnian (link)

→ Old English renscur (affix)

→ Old English regndropa (compound)

→ Old English regnwyrm (compound)

→ Old English tidregn (compound)

→ Middle English reyn (inherited)

→ Old Norse regn (cognate)

→ Yola rhyne (inherited)