Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
wnikać
←
Polish
w-
(link)
←
Polish
wniknąć
(suffix)
←
Polish
ać
(suffix)
←
Proto-Slavic
*nikati
(inherited)
→
Polish
wnikliwy
(suffix)