Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
mýdlo
←
Czech
mýt
(affix)
←
Czech
-dlo
(affix)
←
Proto-Slavic
*mydlo
(inherited)
→
Czech
mýdlový
(suffix)