Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
himilzungal
←
Old High German
himil
(compound)
←
Old High German
*zungal
(compound)
←
Old Saxon
himiltungal
(cognate)
→
Old Saxon
himiltungal
(cognate)