Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh peiriant
← Welsh peri (affix)
← Welsh -iant (affix)

→ Welsh peiriannwr (suffix)
→ Welsh peiriannydd (affix)
→ Welsh peirianneg (affix)
→ Welsh peiriannol (affix)
→ Welsh peirianwaith (affix)
→ Welsh peiriant anadlu (affix)
→ Welsh peiriant chwilio (affix)
→ Welsh peiriant gwerthu (affix)