Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
South Slavey
tu
←
Proto-Athabaskan
*tuˑ
(inherited)
←
Chipewyan
tuu
(cognate)
←
Navajo
tó
(cognate)