Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh -u
← Proto-Brythonic *-oβ̃ (inherited)
← Middle Welsh -u (inherited)

→ Welsh gyrru (affix)
→ Welsh caledu (affix)
→ Welsh cyfieithu (affix)
→ Welsh helpu (affix)
→ Welsh gwaedu (affix)
→ Welsh cylchu (affix)
→ Welsh taeru (affix)
→ Welsh dathlu (affix)
→ Welsh gwenu (affix)
→ Welsh gwerthu (affix)
→ Welsh cusanu (affix)
→ Welsh medru (affix)
→ Welsh cynhyrchu (affix)
→ Welsh cenhedlu (affix)
→ Welsh cysylltu (affix)
→ Welsh etifeddu (affix)
→ Welsh camu (affix)
→ Welsh camu (affix)
→ Welsh cynyddu (affix)
→ Welsh tyrru (affix)
→ Welsh pentyrru (affix)
→ Welsh rhannu (affix)
→ Welsh anadlu (affix)
→ Welsh dyblu (affix)
→ Welsh ychwanegu (affix)
→ Welsh adeiladu (affix)
→ Welsh troseddu (affix)
→ Welsh llygru (affix)
→ Welsh gwahanu (affix)
→ Welsh anweddu (affix)
→ Welsh casglu (affix)
→ Welsh cyrchu (affix)
→ Welsh llywodraethu (affix)
→ Welsh efengylu (affix)
→ Welsh deddfu (affix)
→ Welsh sillafu (affix)
→ Welsh mynychu (affix)
→ Welsh nythu (affix)
→ Welsh barnu (affix)
→ Welsh cymharu (affix)