Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
observational
←
English
observation
(suffix)
←
English
al
(suffix)
→
English
observationally
(suffix)
→
English
observationality
(suffix)
→
English
observationalist
(suffix)
→
English
nonobservational
(prefix)
→
English
multiobservational
(prefix)
→
English
observationalism
(suffix)