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

English gum (inherited)
Old English goma (inherited)
Cimbrian gaumo (mention)
German Gaumen (mention)
Middle English gome (inherited)
Old High German goumo (mention)
Icelandic gómur (derived)
Luxembourgish Gumm (inherited)
Lithuanian gomurys (cognate)