Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh cil
← Proto-Brythonic *kil (inherited)
← Proto-Celtic *kūlos (inherited)
← Welsh cilbost (link)
← Welsh cilbren (link)
← Welsh cildrem (link)
← Welsh cildroi (link)
← Welsh cildwrn (link)
← Welsh cilddant (link)
← Welsh ciledrych (link)
← Welsh cilfach (link)
← Welsh cilgant (link)
← Welsh cilio (link)
← Welsh cilwen (link)
← Welsh cilwg (link)
← English keel (borrowed)
← Proto-Indo-European *kuH-lo- (inherited)
← Proto-Indo-European *(s)kewH- (mention)
← Cornish kil (cognate)
← Latin cūlus (cognate)
← Old Irish cúl (cognate)
← Middle Welsh cylion (inherited)

→ Welsh cilio (affix)
→ Welsh cilbost (affix)
→ Welsh cilbren (affix)
→ Welsh cildroi (affix)
→ Welsh cilddant (affix)
→ Welsh cildwrn (affix)
→ Welsh ciledrych (affix)
→ Welsh cilfach (affix)
→ Welsh cilgant (affix)
→ Welsh cilwen (affix)
→ Welsh cilwg (compound)
→ Old Irish cúl (cognate)