Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
niech
←
Polish
niechaj
(mention)
←
Serbo-Croatian
neka
(mention)
←
Old Polish
niechać
(mention)
→
Bulgarian
нека
(cognate)
→
Polish
niechże
(compound)
→
Polish
niechby
(compound)
→
Serbo-Croatian
nek
(mention)
→
Serbo-Croatian
neka
(mention)
→
Serbo-Croatian
нека
(cognate)