Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
siąkać
←
Polish
(suffix)
←
Polish
ać
(suffix)
←
Proto-Slavic
*sęknǫti
(inherited)
→
Polish
wsiąkać
(prefix)
→
Polish
przesiąkać
(prefix)