Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
jǫrmun-
←
Old English
eormen-
(cognate)
←
Proto-Germanic
*ermunaz
(inherited)
←
Old Saxon
irmin-
(cognate)
→
Old High German
irmin-
(cognate)
→
Old Norse
Jǫrmungandr
(affix)