Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*-ōdaz
→
English
-ed
(inherited)
→
English
-ed
(inherited)
→
Latin
-atus
(cognate)
→
Old Norse
-aðr
(inherited)