Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English geolu
Proto-Germanic *gelwaz (inherited)
Proto-West Germanic *gelu (inherited)
Proto-Indo-European *ǵʰelh₃- (root)
Proto-Indo-European *ǵʰelh₃- (derived)

Old High German gelo (cognate)
Old Saxon gelo (cognate)