Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
вирус
←
German
Virus
(cognate)
←
Latin
vīrus
(borrowed)
←
Russian
ви́рус
(cognate)
→
Bulgarian
коронавирус
(compound)
→
Bulgarian
ретровирус
(prefix)