Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
stirður
←
Faroese
stirdur
(cognate)
←
Proto-Germanic
*sterþjaz
(inherited)
←
Proto-Indo-European
*ster
(derived)
←
Old Norse
stirðr
(inherited)
→
Icelandic
stirðlegur
(affix)