Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
rökkur
←
Proto-Germanic
*rekwaz
(derived)
←
Proto-Indo-European
*h₁régʷos
(derived)
←
Old Norse
røkkr
(derived)
←
Old Norse
røkr
(mention)
→
Icelandic
stjörnurökkur
(affix)
→
Icelandic
siglingarökkur
(affix)
→
Icelandic
rökkurró
(compound)