Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
rắm
←
Proto-Khasian
*ksɛm
(cognate)
←
Proto-Vietic
*k-səmʔ
(inherited)
→
Vietnamese
đánh rắm
(compound)