Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
żmij
←
Polish
źmij
(link)
←
Proto-Slavic
*zmьjь
(inherited)
→
Upper Sorbian
zmij
(cognate)
→
Polish
Żmij
(mention)