Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tibetan
སུ
←
Burmese
လူ
(cognate)
←
Proto-Sino-Tibetan
*su ~ s-lu
(inherited)
→
Tibetan
སུ་སུ
(mention)