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