Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
ksieni
←
Lower Sorbian
kněni
(cognate)
←
Upper Sorbian
knjeni
(cognate)
←
Polish
kniahini
(doublet)
←
Russian
княгиня
(cognate)
←
Proto-Slavic
*kъnęgyni
(inherited)
←
Proto-Slavic
*kъnędzь
(mention)
←
Old Polish
księgyni
(mention)
→
Lower Sorbian
kněni
(cognate)
→
Polish
kniahini
(doublet)