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

→ Bulgarian случай (affix)
→ Bulgarian гуляй (affix)
→ Bulgarian урожай (affix)
→ Bulgarian обичай (affix)
→ Bulgarian негодяй (affix)
→ Bulgarian ищай (affix)
→ Bulgarian хвърлей (affix)