Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
łaska
←
Proto-Slavic
*laska
(inherited)
←
Proto-Slavic
*lasъka
(inherited)
→
Polish
łacha
(affix)
→
Polish
łaskawy
(suffix)
→
Polish
niełaska
(affix)