Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scots
eith
←
Old English
eaþe
(derived)
←
English
eath
(cognate)
←
Proto-Germanic
*auþuz
(derived)
→
English
eath
(cognate)