Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mingrelian
ჩხომი
←
Proto-Georgian-Zan
*čxam-
(inherited)
←
Georgian
ჩხამა
(cognate)
←
Laz
ჩხომი
(cognate)