Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*nyti
→
Czech
nýt
(inherited)
→
Russian
ныть
(inherited)
→
Russian
уныть
(derived)
→
Ukrainian
нити
(inherited)