Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Rapa Nui
ta'u
←
Hawaiian
kau
(cognate)
←
Maori
tau
(cognate)
←
Proto-Polynesian
*taqu
(inherited)
→
Rapa Nui
kōhau ta'u
(compound)