Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
jól
←
Proto-Germanic
*jehwlą
(inherited)
←
Proto-Indo-European
*yekə-
(derived)
←
Old Norse
jól
(inherited)
→
Faroese
jól
(cognate)
→
Icelandic
jólatré
(affix)
→
Icelandic
jólagjöf
(affix)
→
Icelandic
jólaköttur
(affix)
→
Icelandic
jólakúla
(affix)
→
Icelandic
jólabókaflóð
(compound)
→
Icelandic
Jólaeyja
(compound)
→
Icelandic
jólalegur
(affix)
→
Icelandic
jólaljós
(compound)