Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
питѣти
←
Proto-Indo-European
*peyt-
(root)
←
Proto-Indo-European
*peyt-
(derived)
←
Proto-Slavic
*pitěti
(inherited)
←
Proto-Slavic
*pitati
(mention)
→
Russian
питать
(cognate)
→
Old Irish
ithid
(cognate)