Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
iða
←
Proto-Germanic
*idōną
(inherited)
←
Proto-Indo-European
*h₁i-t-eh₂-ie-
(inherited)
←
Proto-Indo-European
*h₁éyti
(mention)
→
Icelandic
ið
(mention)
→
Norwegian Nynorsk
ide
(cognate)