Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
gassy
←
English
gas
(suffix)
←
English
y
(suffix)
→
English
gassiness
(suffix)
→
English
gassily
(suffix)
→
English
ungassy
(prefix)
→
English
nongassy
(prefix)