Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
authenticity
←
English
authentic
(suffix)
←
English
ity
(suffix)
→
English
inauthenticity
(prefix)
→
English
nonauthenticity
(prefix)
→
English
unauthenticity
(prefix)
→
Swedish
autenticitet
(cognate)