Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*jēmaraz
→
English
yammer
(derived)
→
Old English
geomor
(inherited)
→
Old High German
jamar
(inherited)
→
Old Saxon
jamar
(inherited)