Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Upper Sorbian
swěca
←
Proto-Slavic
*svěťa
(inherited)
←
Proto-Slavic
*světъ
(mention)
←
Proto-Slavic
*-ja
(mention)
→
Upper Sorbian
swěčka
(suffix)