Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
este
←
Old English
ēst
(inherited)
←
Proto-Germanic
*anstiz
(inherited)
→
English
est
(derived)
→
English
grace
(cognate)
→
English
delicious
(cognate)