Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
lak
←
Proto-Germanic
*lakaną
(derived)
←
Middle Low German
laken
(derived)
←
Old Norse
lak
(derived)
←
Old Saxon
lakan
(derived)
→
English
lake
(cognate)
→
Icelandic
teygjulak
(affix)