Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Niuean
vaka
←
Proto-Polynesian
*waka
(inherited)
→
Kilivila
waga
(cognate)
→
Niuean
vakalele
(compound)