Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Jeju
가시아방
←
Jeju
가시
(compound)
←
Jeju
아방
(compound)
←
Korean
가시아버지
(cognate)