Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
flogger
←
English
flog
(suffix)
←
English
er
(suffix)
←
Low German
flogger
(cognate)
→
English
flog
(back-formation)
→
English
flog
(link)