Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish ceann
Breton penn (cognate)
Proto-Celtic *kʷennom (inherited)
Welsh pen (cognate)
Manx kione (cognate)
Middle Irish cenn (inherited)
Old Irish cenn (inherited)

English Kennedy (mention)
English Deegan (mention)
English Kenneally (mention)
English Ceann Comhairle (derived)
Irish aon (link)
Irish ceannaigh (affix)
Irish ceann cait (compound)
Irish ceann- (mention)
Irish mírcheann (affix)
Irish mórcheannach (affix)
Irish néarcheann (prefix)
Irish croscheann (affix)
Irish ceannaire (affix)
Irish focheann (affix)
Irish ceannramhar (prefix)
Irish ceannbhuí (prefix)
Irish ceanndubh (prefix)
Irish ceanngheal (prefix)
Irish ceannghorm (prefix)
Irish ceannliath (prefix)
Irish ceanntiarna talún (prefix)
Irish ceannairgead (affix)
Irish ceanncheathrú (affix)
Irish ceannlampa (affix)
Irish ceannlitir (prefix)
Irish ceannchluiche (prefix)
Irish ceannbhalla (affix)
Irish ceannbhrat (prefix)
Irish ceannbheart (affix)
Irish ceannsmacht (prefix)
Irish ceannaimsir (affix)
Irish ceannadhairt (affix)
Irish ceannas (affix)
Irish ardcheannach (affix)
Irish ardcheann (affix)