Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*(j)ežь
→
Czech
jež
(derived(cs/sk))
→
Czech
ježek
(derived)
→
Serbo-Croatian
јеж
(inherited)
→
Serbo-Croatian
jež
(inherited)
→
Slovene
jež
(inherited)