Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Maori
aitu
←
Niuean
aitu
(cognate)
←
Proto-Polynesian
*qaitu
(inherited)
←
Samoan
aitu
(cognate)
→
Marshallese
Anij
(cognate)
→
Niuean
aitu
(cognate)
→
Samoan
aitu
(cognate)
→
Tokelauan
aitu
(cognate)