Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
kto
←
Proto-Indo-European
*kʷos
(derived)
←
Proto-Indo-European
*kʷid
(mention)
←
Proto-Indo-European
*kʷis
(mention)
←
Proto-Slavic
*kъto
(inherited)
→
Belarusian
хто
(cognate)
→
Polish
ktoś
(affix)
→
Polish
nikt
(blend)
→
Polish
ktokolwiek
(suffix)