Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latgalian
cjoce
←
Belarusian
цёця
(borrowed)
←
Russian
тётя
(cognate)
←
Proto-Slavic
*teta
(derived)
←
Ukrainian
цьоця
(cognate)