Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
krt
←
Proto-Slavic
*krъtъ
(inherited)
→
Czech
krtek
(affix)
→
Czech
krtina
(affix)
→
Czech
krtonožka
(affix)