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