Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hawaiian
ō
→
Hawaiian
Keō
(mention)
→
Maori
ō
(cognate)
→
Tokelauan
o
(cognate)
→
Tokelauan
oho
(cognate)