Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
toohi
←
Estonian
toht
(cognate)
←
Finnish
tuohi
(cognate)
←
Proto-Finnic
*toohi
(inherited)