Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Korean
둘
←
Middle Korean
둟〯
(inherited)
←
Old Korean
二尸
(inherited)
→
Ainu
ト゚
(cognate)
→
Ainu
ツ゚ㇷ゚
(cognate)
→
Ainu
ト゚ㇷ゚
(cognate)
→
Jeju
둘
(cognate)
→
Korean
둘째
(affix)