Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Scottish Gaelic tiugh
← Proto-Celtic *tegus (inherited)
← Irish tiubh (cognate)
← Manx çhiu (cognate)
← Proto-Indo-European *tégus (inherited)
← Old Irish tiug (inherited)

→ Irish tiubh (cognate)
→ Manx çhiu (cognate)