Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
desirous
←
Old French
desirrous
(derived)
←
Old French
desirrer
(mention)
←
Old French
-ous
(mention)
→
English
desirously
(suffix)
→
English
desirousness
(suffix)
→
English
undesirous
(prefix)
→
English
overdesirous
(prefix)
→
English
nondesirous
(prefix)