Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
iskra
←
Proto-Slavic
*jьskra
(inherited)
→
Lower Sorbian
škrja
(cognate)
→
Polish
iskierka
(affix)
→
Polish
Iskrzak
(mention)