Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Samoan
ia
←
Proto-Austronesian
*(si-)ia
(inherited)
←
Proto-Oceanic
*ia
(inherited)
←
Proto-Polynesian
*ia
(inherited)
←
Proto-Malayo-Polynesian
*(si-)ia
(inherited)
←
Proto-Eastern Malayo-Polynesian
*ia
(inherited)
→
Tokelauan
ia
(cognate)
→
Tokelauan
ia
(cognate)