Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Russian ви́рус

→ Bulgarian вирус (cognate)
→ Armenian վիրուս (borrowed)
→ Kazakh вирус (borrowed)
→ Mongolian вирус (borrowed)
→ Russian вирусный (affix)
→ Russian коронавирус (compound)