Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Korean 不知
← Middle Korean ᄃᆞ (cognate)
← Middle Korean -이〮 (cognate)
← Proto-Korean (mention)
← Proto-Korean (mention)
← Proto-Korean (mention)

→ Korean 안 (inherited)
→ Korean 아니 (inherited)
→ Korean -지 (mention)
→ Middle Korean 아니 (inherited)