Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
troublous
←
English
trouble
(suffix)
←
English
ous
(suffix)
←
Old French
troubleus
(mention)
→
English
troublously
(suffix)
→
English
untroublous
(prefix)
→
English
troublousness
(suffix)