Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Sino-Tibetan
*ku(w)
→
Atong (India)
khu•chuk
(inherited)
→
Atong (India)
khu•chul
(inherited)
→
Garo
ku·sik
(inherited)
→
Chinese
口
(inherited)