Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
ktokolwiek
←
Czech
kdokoli
(cognate)
←
Polish
kto
(suffix)
←
Polish
kolwiek
(suffix)
←
Slovak
ktokoľvek
(cognate)