Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Vietnamese đuôi
Khmer កន្ទុយ (cognate)
Proto-Vietic *tɔːj (inherited)

Vietnamese đầu đuôi (compound)
Vietnamese rắn đuôi chuông (affix)
Vietnamese đuôi sam (compound)