Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
knár
←
Proto-Germanic
*knawaz
(inherited)
←
Crimean Gothic
knauen
(cognate)
←
Old Norse
knár
(inherited)
→
Crimean Gothic
knauen
(cognate)