Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Church Slavonic ѧ

→ Old Church Slavonic отрочѧ (suffix)
→ Old Church Slavonic козьлѧ (suffix)
→ Old Church Slavonic осьлѧ (suffix)
→ Old Church Slavonic овьчѧ (suffix)