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

→ Bulgarian трънак (affix)
→ Bulgarian тръне (affix)
→ Bulgarian търновец (affix)
→ Bulgarian мушитрънка (compound)
→ Serbo-Croatian trn (cognate)
→ Serbo-Croatian трн (cognate)
→ Slovak tŕň (cognate)