Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
спина́
→
Belarusian
спіна
(cognate)
→
Bulgarian
спила
(cognate)
→
Russian
спинка
(suffix)
→
Russian
спинной
(affix)