Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
пятка
←
Belarusian
-ка
(affix)
←
Russian
пя́тка
(cognate)
←
Proto-Slavic
*pęta
(derived)
←
Ukrainian
п'я́тка
(cognate)