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)