Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*faimaz
→
English
foam
(inherited)
→
Old English
fam
(inherited)
→
Cimbrian
bòam
(inherited)
→
German
Feim
(inherited)
→
Middle English
fome
(derived)
→
Faroese
fám
(derived)