Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
голк
←
Bulgarian
глъч
(cognate)
←
Bulgarian
глъчка
(mention)
←
Slovak
hlučný
(cognate)
←
Slovene
golk
(cognate)
←
Proto-Slavic
*gъlkъ
(inherited)