Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Slovak
háj
→
Russian
гай
(cognate)
→
Serbo-Croatian
gaj
(mention)
→
Serbo-Croatian
гај
(mention)
→
Ukrainian
гай
(cognate)