Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
ключь
←
Proto-Slavic
*kľučь
(inherited)
→
Ancient Greek
κλείς
(cognate)
→
Latin
clavus
(cognate)
→
Romanian
clucer
(mention)
→
Albanian
kyç
(cognate)