Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
pleš
←
Proto-Slavic
*рlěšь
(inherited)
→
Czech
plešatý
(affix)
→
Czech
plešoun
(affix)
→
Romanian
pleș
(cognate)