Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Semelai
petom
←
Proto-Aslian
(inherited)
←
Proto-Mon-Khmer
*btɔm
(inherited)
→
Vietnamese
đêm
(cognate)