Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
doubtful
←
English
doubt
(suffix)
←
English
ful
(suffix)
←
Middle English
doutfull
(inherited)
←
Middle English
douteful
(mention)
→
English
-ful
(link)
→
English
doubtfully
(suffix)
→
English
doubtfulness
(suffix)
→
English
undoubtful
(prefix)
→
English
doubtfuller
(suffix)