Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
öppna
←
Old Norse
opna
(inherited)
←
Swedish
öppen
(affix)
←
Swedish
-a
(affix)
→
English
open
(cognate)
→
Old English
openian
(cognate)
→
Swedish
öppnare
(suffix)