Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
іржаць
←
Polish
rżeć
(cognate)
←
Russian
ржать
(cognate)
←
Ukrainian
іржа́ти
(cognate)