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

Irish míchiall (affix)
Irish aonchiallach (affix)
Irish aonchiallacht (confix)
Irish comhchiallach (affix)
Irish ciallmhar (affix)
Irish fochiall (affix)
Irish díchiall (prefix)
Irish aingiall (affix)
Irish éigiall (affix)
Manx keeall (cognate)