Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hawaiian
ʻo
→
Hawaiian
ʻoia
(link)
→
Tokelauan
ko
(cognate)
→
Tokelauan
kō
(cognate)