Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Korean -었-
← Korean -어 있다 (doublet)

→ Korean -어 (mention)
→ Korean -느니 (mention)
→ Korean -느니 (mention)
→ Korean -라 (mention)
→ Korean -어라 (mention)
→ Korean -어라 (mention)
→ Korean -야 (mention)
→ Korean -었었- (mention)
→ Korean -었으면 하다 (affix)
→ Korean 왔다리 갔다리 (mention)