Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
decipherable
←
English
decipher
(affix)
←
English
-able
(affix)
→
English
undecipherable
(prefix)
→
English
indecipherable
(prefix)
→
English
decipherably
(suffix)