Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tokelauan
matua
←
Proto-Polynesian
*matuqa
(inherited)
←
Rapa Nui
matu'a
(cognate)
←
Tuvaluan
matua
(cognate)