Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
summability
←
English
sum
(suffix)
←
English
ability
(suffix)
→
English
equisummability
(prefix)
→
English
nonsummability
(prefix)