Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*immi
→
English
am
(inherited)
→
Old English
eam
(inherited)
→
Old English
eom
(inherited)
→
Middle English
am
(inherited)
→
Old Norse
em
(inherited)