Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
etan
←
Proto-Germanic
*etaną
(inherited)
←
Proto-Indo-European
*h₁ed-
(derived)
→
German
Essen
(cognate)
→
Low German
eten
(inherited)
→
Old Norse
eta
(cognate)