Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
purposeful
←
English
purpose
(suffix)
←
English
ful
(suffix)
→
English
purposefulness
(suffix)
→
English
purposefully
(suffix)
→
English
unpurposeful
(prefix)
→
English
nonpurposeful
(prefix)
→
Dutch
zinnig
(link)