Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Muong
thảm
←
Proto-Vietic
*saːmʔ
(inherited)
←
Vietnamese
tám
(cognate)
→
Vietnamese
tám
(cognate)