Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
còi
←
Proto-Katuic
*tŋkɔɔj
(cognate)
←
Proto-Vietic
*t-kɔːj
(inherited)
←
Pacoh
tancoi
(cognate)
→
Vietnamese
gầy
(link)