Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
lófi
←
Proto-Germanic
*lōfô
(derived)
←
Old Norse
lófi
(derived)
→
Old English
lof
(cognate)
→
Icelandic
lófatölva
(mention)