Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
unobtainable
←
English
un
(prefix)
←
English
obtainable
(prefix)
→
English
unobtainium
(suffix)
→
English
unobtainably
(suffix)
→
English
unobtainableness
(suffix)