Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
feigned
→
English
real
(link)
→
English
unfeigned
(prefix)
→
English
feignedness
(suffix)
→
English
feignedly
(suffix)