Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
ruodar
→
Old English
roþor
(cognate)
→
German
Ruder
(mention)
→
Luxembourgish
Rudder
(inherited)