Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
unsayable
←
English
un
(prefix)
←
English
sayable
(prefix)
→
English
unsayably
(suffix)
→
English
unsayableness
(suffix)