Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
commentator
←
English
comment
(suffix)
←
English
ator
(suffix)
→
English
comment
(link)
→
English
commentate
(back-formation)
→
English
commentatorship
(suffix)
→
English
cocommentator
(prefix)