Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
unbusy
←
English
un
(prefix)
←
English
busy
(prefix)
←
Middle English
unbysy
(inherited)
←
Middle English
unbesy
(mention)