Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Maori
wharau
←
Tongan
folau
(cognate)
→
Maori
wharaunga
(suffix)
→
Tongan
folau
(cognate)