Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
нека
←
Polish
niech
(cognate)
←
Serbo-Croatian
не̏ка
(cognate)
←
Serbo-Croatian
nȅka
(mention)
←
Slovak
nech
(cognate)
←
Proto-Slavic
*nekъ
(inherited)
→
Serbo-Croatian
нека
(cognate)