Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
prát
←
Proto-Slavic
*pьrati
(inherited)
→
Czech
pračka
(affix)
→
Czech
prádlo
(affix)
→
Lower Sorbian
praś
(cognate)
→
Serbo-Croatian
prati
(cognate)