Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish áitt
Proto-Celtic *yāntī (inherited)
Proto-Indo-European *yeh₂- (root)
Proto-Indo-European *yeh₂- (derived)

English find (mention)
Old English findig (mention)
Irish áit (inherited)
Scottish Gaelic àite (inherited)
Scottish Gaelic àitich (mention)