Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Okinawan
ゆ
←
Japanese
を
(cognate)
←
Proto-Japonic
*wo
(inherited)
←
Proto-Ryukyuan
*wo
(inherited)
→
Japanese
を
(cognate)