Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
styggur
←
Proto-Germanic
*stugjaz
(inherited)
←
Old Norse
styggr
(inherited)
→
Icelandic
styggð
(affix)