Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
penetrating
→
English
keen
(link)
→
English
penetratingly
(suffix)
→
English
nonpenetrating
(prefix)
→
English
penetratingness
(suffix)
→
English
unpenetrating
(prefix)