Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Japanese
八
←
Proto-Japonic
*ya
(inherited(ojp/ja))
→
Japanese
八
(inherited)
→
Old Japanese
八雲立つ
(mention)