Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
toilsome
←
English
toil
(suffix)
←
English
some
(suffix)
→
English
toilsomeness
(suffix)
→
English
toilsomely
(suffix)
→
English
untoilsome
(prefix)