Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Rapa Nui
'oka
←
Mangarevan
oka
(cognate)
←
Proto-Eastern Polynesian
*oka
(inherited)
→
Rapa Nui
hare 'oka
(compound)