Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
rìu
←
Proto-Vietic
*m-riːw
(inherited)
←
Muong
khìu
(cognate)
→
Vietnamese
đầu rìu
(compound)