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

→ Irish criostalaigineas (affix)
→ Irish meatánaigineas (affix)
→ Irish miotalaigineas (affix)
→ Irish murtallaigineach (affix)
→ Irish criostalagrafaíocht (affix)
→ Irish laraingeascóp (affix)