Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hrúga
←
Proto-Germanic
*hrūgǭ
(inherited)
←
Old Norse
hrúga
(inherited)
→
Finnish
ruko
(cognate)
→
Icelandic
sandhrúga
(compound)