Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Korean
海等
←
Korean
바다
(cognate)
→
Korean
바다
(cognate)
→
Middle Korean
바ᄅᆞᆯ
(inherited)