Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Thavung
ซี
←
Proto-Mon-Khmer
*sii(ʔ)
(inherited)
←
Proto-Vietic
*siː
(inherited)
←
Vietnamese
tay
(cognate)
→
Vietnamese
tay
(cognate)