Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish úacht
← Proto-Indo-European *h₃ewǵ- (derived)

→ Irish fuacht (inherited)
→ Scottish Gaelic fuachd (inherited)
→ Manx feayght (inherited)
→ Latin autumnus (cognate)
→ Latvian auksts (cognate)
→ Old Irish úar (link)