Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
lok
←
Proto-Germanic
*lūkaną
(inherited)
←
Old Norse
lok
(inherited)
→
Cimbrian
loch
(cognate)
→
Cimbrian
lòch
(cognate)
→
Icelandic
augnlok
(mention)
→
Icelandic
árslok
(affix)