Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
koupel
←
Czech
koupat
(affix)
←
Czech
-el
(affix)
←
Proto-Slavic
*kǫpělь
(inherited)
←
Old Czech
kúpěl
(inherited)
→
Czech
koupelna
(affix)