Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
swak
←
Russian
своя́к
(cognate)
←
Serbo-Croatian
svȃk
(cognate)
←
Proto-Slavic
*svojakъ
(inherited)
→
Lower Sorbian
swack
(suffix)