Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
kukk
←
Proto-Finnic
*kukkoi
(inherited)
←
Proto-Germanic
*kukkaz
(derived)
→
Ingrian
kukko
(cognate)
→
Karelian
kukko
(cognate)