Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Slovak
hlúpy
←
Proto-Slavic
*glupъ
(inherited)
→
Russian
глупый
(cognate)
→
Slovene
glup
(cognate)