Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
prskat
←
Proto-Slavic
*prъskati
(inherited)
→
Czech
prskal
(affix)
→
Lithuanian
prausti
(cognate)