Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
dullard
←
English
dull
(suffix)
←
English
ard
(suffix)
←
Middle English
dullard
(inherited)
←
Middle English
dollard
(mention)
→
English
dullardry
(suffix)
→
English
dullardly
(suffix)
→
English
dullardism
(suffix)