Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Samoan
lupe
←
Fijian
ruve
(cognate)
←
Proto-Polynesian
*lupe
(derived)
→
Fijian
ruve
(cognate)