Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
dnes
←
Bulgarian
днес
(cognate)
←
Slovene
dánes
(cognate)
←
Proto-Slavic
*dьnьsь
(inherited)
→
Bulgarian
днеска
(link)