Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tuvan
багай
←
Proto-Turkic
*b(i)ăk
(inherited)
←
Tuvan
бак
(suffix)
←
Tuvan
ай
(suffix)