Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Atong (India)
chak
←
Proto-Bodo-Garo
*yak
(inherited)
←
Proto-Bodo-Garo
*yak
(inherited)
→
Atong (India)
chakgydok
(mention)
→
Atong (India)
chakpha
(mention)
→
Atong (India)
chaksi
(mention)