Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
шушу́кати
→
Russian
шушукаться
(cognate)
→
Serbo-Croatian
šuškati
(cognate)
→
Serbo-Croatian
шушкати
(cognate)