Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish
Proto-Celtic *teɸents (inherited)
Proto-Indo-European *tep- (root)
Proto-Indo-European *tep- (derived)
Latin tepēns (cognate)
Old Irish tee (alter)
Old Irish éola (mention)
Old Irish téït (link)
Old Irish tétib (link)

Irish te (inherited)
Scottish Gaelic teth (inherited)
Manx çheh (inherited)