Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
по́лый
→
English
polynya
(mention)
→
Belarusian
полы
(cognate)
→
Russian
полость
(affix)
→
Russian
полынья
(affix)