Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh llwyth
← Proto-Celtic *luxtus (inherited)
← Old Irish lucht (cognate)

→ Welsh cachlwyth (affix)
→ Welsh tylwyth (compound)
→ Welsh llwytho (affix)
→ Welsh llwythwr (suffix)
→ Welsh llwythydd (suffix)
→ Old Irish lucht (cognate)