Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tongan
fefine
←
Proto-Polynesian
*fafine
(derived)
→
Niuean
fifine
(cognate)
→
Tongan
fakafefine
(compound)