Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
blotchy
←
English
blotch
(suffix)
←
English
y
(suffix)
→
English
blotchily
(suffix)
→
English
blotchiness
(suffix)
→
English
unblotchy
(prefix)