Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Tai
*luəkᴰ
→
Thai
ลวก
(inherited)
→
Vietnamese
luộc
(cognate)
→
Chinese
淥
(cognate)