Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
đùm
←
Lamet
-
(cognate)
←
Proto-Katuic
*duom
(cognate)
←
Proto-Vietic
*duːm
(inherited)
←
Pacoh
toum
(cognate)