Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
lækur
←
Proto-Germanic
*lōkiz
(derived)
←
Old Norse
lœkr
(derived)
→
English
lake
(cognate)
→
Icelandic
bekkur
(link)
→
Icelandic
lækjasóley
(affix)
→
Icelandic
lækjasef
(affix)
→
Icelandic
lækjagrýta
(affix)