Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tongan
ʻoneʻone
←
Tongan
ʻone
(mention)
→
Samoan
oneone
(cognate)
→
Tokelauan
oneone
(cognate)