Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
gãy
←
Proto-Katuic
*kas
(cognate)
←
Pacoh
ticâyh
(cognate)
→
Vietnamese
đứt gãy
(compound)