Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*žętva
→
Bulgarian
жътва
(inherited)
→
Old Church Slavonic
жѧтва
(inherited)
→
Macedonian
жетва
(inherited)
→
Russian
жатва
(inherited)
→
Serbo-Croatian
žetva
(inherited)
→
Serbo-Croatian
жетва
(inherited)