Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
praxeology
←
English
(suffix)
←
English
logy
(suffix)
←
Ancient Greek
πρᾶξις
(derived)
→
English
praxeologist
(suffix)