Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
understanding
→
English
understandingly
(affix)
→
English
understandingness
(suffix)
→
English
ununderstanding
(affix)
→
English
inunderstanding
(prefix)
→
English
nonunderstanding
(prefix)
→
English
preunderstanding
(prefix)
→
English
metaunderstanding
(prefix)
→
Danish
nemme
(link)