Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
austrœnn
←
Proto-Germanic
*austrōnijaz
(inherited)
←
Proto-Indo-European
*h₂ews-
(root)
←
Old Norse
austr
(suffix)
←
Old Norse
œnn
(suffix)
→
English
eastern
(cognate)