Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
skorupa
←
Proto-Slavic
*skorupa
(inherited)
→
Polish
skorupka
(suffix)
→
Polish
skorupiak
(suffix)
→
Polish
Skorupski
(mention)
→
Polish
Skorupska
(mention)
→
Polish
Skorupa
(mention)
→
Polish
Skorupka
(suffix)