Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
demented
←
English
dement
(mention)
←
Latin
demento
(derived)
→
English
dementedly
(suffix)
→
English
nondemented
(prefix)
→
English
undemented
(prefix)
→
English
dementedness
(suffix)
→
English
academented
(blend)
→
English
pseudodemented
(prefix)