Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Khmer
ខ្មោច
←
Proto-Mon-Khmer
*kmuuc
(inherited)
←
Pacoh
cumuiq
(cognate)
←
Sa'och
-
(cognate)
←
Semai
ki'mòòc
(cognate)
←
Semelai
-
(cognate)
→
Thai
โขมด
(cognate)