Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Tai
*tamᴬ
→
Lao
ຕຳ
(inherited)
→
Thai
ตำ
(inherited)
→
Vietnamese
đâm
(cognate)