Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
przeczyć
←
Proto-Slavic
*perčiti
(inherited)
←
Proto-Slavic
*perkъ
(mention)
→
Polish
zaprzeczyć
(affix)
→
Polish
sprzeczać
(prefix)
→
Russian
перечить
(cognate)