Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
ко́лос
→
English
holly
(cognate)
→
Belarusian
колас
(cognate)
→
Russian
клас
(doublet)
→
Russian
колосок
(affix)