Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Yaeyama
わー
←
Proto-Japonic
*uya
(inherited)
←
Proto-Ryukyuan
*uya
(inherited)
←
Miyako
っゔぁ
(cognate)
→
Miyako
っゔぁ
(cognate)