Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tibetan
རྦ
←
Proto-Sino-Tibetan
*r/m-ba
(inherited)
→
Tibetan
རྦ་རླབས
(compound)
→
Chinese
波
(cognate)