Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
mleko
←
Proto-Slavic
*melko
(inherited)
→
English
milk
(cognate)
→
Polish
mleczny
(suffix)
→
Polish
mleczarz
(suffix)
→
Polish
mleczan
(affix)
→
Polish
mleczak
(suffix)