Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
rindill
←
Proto-Germanic
*wrandijô
(inherited)
→
English
wren
(cognate)
→
Icelandic
músarrindill
(affix)