Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *gū-

English kite (root)
English kite (derived)
English kite (mention)
English chitterlings (mention)
English coif (mention)
English cudgel (mention)
English kile (mention)
English coppe (inherited)
English Keats (derived)
English cuttle (mention)
Old English cudele (mention)
German Kauz (derived)
West Flemish kobbe (inherited)