Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
хто
←
Proto-Indo-European
*kʷos-tod
(inherited)
←
Proto-Indo-European
*kʷis
(mention)
←
Proto-Slavic
*kъto
(inherited)
→
Belarusian
хто
(cognate)
→
Russian
хто
(cognate)
→
Ukrainian
хтось
(suffix)