Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
tmavý
←
Czech
tma
(mention)
←
Czech
-avý
(mention)
←
Czech
-vý
(mention)
←
Russian
-овый
(cognate)
→
Serbo-Croatian
taman
(cognate)