Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Azerbaijani
çətin
←
Turkish
çatmak
(mention)
←
Turkish
çetin
(cognate)
←
Old Anatolian Turkish
(derived)
→
Azerbaijani
çətinlik
(suffix)