Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
filu
←
Proto-Germanic
*felu
(inherited)
→
Old English
fela
(mention)
→
Old High German
filu
(cognate)
→
Icelandic
fjöl-
(mention)
→
Old Saxon
filo-
(mention)