Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
chông
←
Arem
-
(cognate)
←
Proto-Vietic
*coːŋ
(inherited)
→
Vietnamese
chông gai
(compound)