Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Chinese
喉
←
Chepang
गुक्
(cognate)
←
Khmer
ក
(cognate)
←
Proto-Mon-Khmer
*kɔʔ
(cognate)
←
Mon
ကံ
(cognate)
←
Proto-Sino-Tibetan
*ku
(inherited)
←
Vietnamese
cổ
(cognate)